How To Make Electricity With Magnets And Copper Coils
Magnets moved past coils of wire generate all the electricity on Earth. The picture tube coil indicated by the yellow arrow in the third photo, on the back of the picture tube can be wrapped in. It strengthens the magnetic field and allows the coil to generate a higher voltage, which is turn increases the flux, and so on. To concentrate the magnetic field, in an electromagnet the wire is wound into a coil with many turns of wire lying side by side. Turbines — driven by a force such as pressurized steam, mov-. The inductance highly depends on the core. His biggest breakthrough in electricity was his invention of the electric motor. So these little brown circles show us the tips of the vectors popping out of our screen. How do you calculate the number of copper wire coils for a generator so that I can generate 1200 Kw power? I am building a home-made wind turbine generator with lots of tools, money and materials. A coil, however concentrates the magnetic field. Electricity could be produced through magnetism by motion. To get a generator to work properly you need to make sure the coil and magnet orientation and rotation are correctly aligned. Tesla’s “COIL FOR ELECTRO MAGNETS,” patent #512,340 is a very special bifilar coil design because, unlike an ordinary coil made by turning wire on a tube form, this one uses two wires laid next to each other on a form but with the end of the first one connected to the beginning of the second one. Make piles of the same types of magnets; Choose the pile containing the type of magnet you want to use in your polyphase motor/generator. I have talked to a few people who sell magnets and they asked me if I was a student at one of the local universities. There are two demonstrations: A normal, straight wire creates a magnetic field that affects a compass needle A coil of wire around a piece of metal (a screw in this case) creates a real electromagnet. Note you can choose to use your motor upside-down or standing in the fold of a book, but do stick with the chosen direction for steps 12–19. If you make it to self support, without touching anything else than the circuit, it will behave completely different. In the configuration used in this experiment, the input coils 26, 28 had 40 turns of 18-gauge copper wire, and the output coils 29, 30 had 450 turns of 18-gauge copper wire. Therefore, electric current flow also produces an associated magnetic force or it is said that electricity is able to produce magnetic field. One can academically appreciate the fact that every electric motor in the world (not counting a couple of very impractical ones) works because of magnetism. The capacitor stores the voltage until it reaches its limit, at which point the spark gap emits all of the pent-up energy in one massive outburst, surging to the main coil, which is often built out of wide copper wire, generating a powerful magnetic field. To make a model showing tidal energy you will need a bucket, copper wire, magnets, a paddle, light bulb, and water. Increasing current in a coil of wire will generate a counter emf which opposes the current. What you will need: A battery holder, such as Radio Shack #270-402 (holds a "C" cell) or #270-403 (holds a "D" cell). Coil Specifications for the shake powered flashlight. [Introduction] To learn that magnetic force is generated when a copper wire gets charged with electricity. To prevent this chatter, the AC relay has two coils to make a transformer to keep the core magnetized. The components of the device do not change, but the dimensions do. permanent magnets. Making of Rotor. 5v to 220v How to Make Inverter Made to Easy Simple Circuit New Idea; jordan 11 concord on Inverter 1. Ask your assistant to use the other probe of the voltmeter to the loops 100, 200,. Place the magnet on top of the wood block just underneath the coil. Electricity science projects in this area would involve lighting a light, making a motor run, making a coil of wire get hot like is done in a hair dryer or even making an electric generator. In electric coils the magnetic field is set into motion and turns from its rest state, altered by a field that is emitted from the electron shell of the copper atoms as electric current flows. The simple wireless electricity project consist of two parts that is Receiver and Transmitter. Insert the (rodlike) magnet into the coil and take it back out again. Therefore, electric current flow also produces an associated magnetic force or it is said that electricity is able to produce magnetic field. What exactly is a permanent magnet? Well, if you take a piece of suitable material like mild steel, put it inside a coil of wire and drive a strong electrical current through the coil, then that converts the steel into a permanent magnet. Science also recognizes this close relationship between electricity and magnetism. So when the wire moves into the field, the electrons are pushed downwards. I moved the meter around and upon approaching the tile floor, the magnetic reading maxed out. If you occasionally need to design a wound component, but do not deal with the science of magnetic fields on a daily basis, then you may become confused about what the many terms used in the data sheet for the core represent, how they are related and how you can use them to produce a practical inductor. And it's carrying some current I, it turns out that this wire will generate a magnetic field. As the current flows through the coil, it creates a magnetic field, which opposes the magnet in the front of the train (the two green N s) so it pushes the. Now take the same copper tube and drop a magnet through it (hopefully a strong one, Neodymium or other rare earth magnets work the best) You will notice that the magnet falls very slowly. • The permanent magnets mean that these motors make good electricity generators. understand and apply the connection between electricity and magnetism as they design and build motors, or design better and more efficient motors. 5 T scanner are in the range of. A coil of wire with an electric current flowing through it becomes a magnet. Each coil of wire contributes a small magnetic field and, together, they add up to make a much more powerful magnet. Also our government actually pays people to generate renewable electricity (and hot water) so I think I will be staying off grid, at least initially. That's not quite right. Students will make a copper coil by coiling up a copper wire in their hands. However if you have one or two other components such as a coil of copper wire and you move the magnet in this copper wire coil, electricity will flow. In electric coils the magnetic field is set into motion and turns from its rest state, altered by a field that is emitted from the electron shell of the copper atoms as electric current flows. 16amps for a few seconds. An electric current is bouncing around the coil, and thanks to the metal object, inside the magnetic field. Acquire about a half-meter of insulated copper wire. When the magnets touch the copper wire, an electrical connection is made. Thus, the poles have the arrangement North-South and South-North, resulting in North poles on the ends and a South pole at the center. 5v to 220v How to Make Inverter Made to Easy Simple Circuit New Idea; jordan 11 concord on Inverter 1. As the current flows through the coil, it creates a magnetic field, which opposes the magnet in the front of the train (the two green N s) so it pushes the. Electricity flows out of the battery, through the magnet at one end, into the bare copper coil (as indicated by the cyan arrow,) into the magnet at the other end and back into the battery. Water batteries never need to be charged, when they go dead simply pour out the water then add more tap water again to refuel the cells. Moving the magnets relative the coils,. generate a magnetic field. Companies making barium ferrite magnets must take special precautions in the storage, handling, and waste disposal of the barium products. Making of Receiver. This mod introduces two types of energy: Electricity and Heat, as well as many machines producing them, converting them into each other and using them for things such as mining, ore processing or oil processing. The motor is simply a battery, a magnet, and a small coil of wire you make yourself. An electric motor uses electrical energy to produce movement or mechanical energy. But the magnetic field also. ) and wrap some wire around it. September 15, A Simple Tip About Electricity Transformer How Does It Work Unveiled;. Note: This Snack may be difficult to build properly or may not clearly show the desired results even if it is built correctly. Let me see if I can draw that. (near corners). In a single wire, this field is usually pretty weak. The magnetic field near a coil of wire looks very similar to the magnetic field near a bar magnet. They are typically built with magnets and copper wire coils to provide a greener alternative to electricity. If you hold the magnet absolutely still inside the coil, no current is generated at all. Suppose you have two magnets, spaced a certain amount apart, and the North poles are both facing each other. The top of the coil becomes a north pole, so the top is attracted to the south pole of the permanent magnet on the left. to the change in flux linkage. As another person operates the Van de Graff, the hair of the person on the platform rises and aligns in the direction of the electric field. can u help me with explaining the concept to me. Spin the armature gently to get the motor started. Is it possible to produce electricity by using permanent magnets with no moving parts? I believe that is possible. C- between each coil to another 1. It should zip down the coil and out the other side! If your train doesn't move, try flipping the train around. Make a coil as described above, but a bit longer - say 70mm. 5v to 220v How to Make Inverter Made to Easy Simple Circuit New Idea; jordan 11 concord on Inverter 1. Consider the left-hand diagram in the last set-up. Just like electricity, magnetic fields are everywhere, as well. ) All you have to do is take the magnet and move it through the coil. The coiled wire will generate a magnetic field when an electric current passes through it, however, the magnetic field disappears the moment the current stops. The electricity flowing through the wire arranges the molecules in the nail so that they are attracted to certain metals. (Can you figure this out using the right-hand rule explained above?) Just like with a single wire, if the electric current reverses direction, the magnetic field around the coil will also reverse direction. Both the 45-T magnet and the 45. Another common utilizing copper coils is in one air-conditioning and refrigeration models. One way to do this is by sandwiching the transmitter coil between 2 sheets of acrylic and sealing the edges with silicone, leaving only a tiny gap for the wires. , to generate 1200 Kw of electricity. In this way, it regulates the electricity in that only small increments actually continue onward to the light bulb. Taking the example of a coil working at 10 kHz you will see that a wire diameter of 2 mm is about as thick as you can go without skin effect increasing its AC resistance. Coils are exceptionally easy to make. When the magnet is stationary, there is no current in the coil. When an electrical current passes through a wire, a magnetic field is generated around it. SERIES AND PARALLEL EXPERIMENTING WITH ELECTROMAGNETS 389 similar ends of all nine coils (fully in parallel) were connected to the zinc or copper of a small single voltaic pair, the magnetized horseshoe lifted up to 750 pounds. The purpose of insulation is to enhance the thermal endurance of the wire and to make sure it is protected from shorting out when it is wound. These special properties of magnets can be used to make electricity. An electric motor is essentially just a tight coil of copper wire wrapped around an iron core that's free to rotate at high speed inside a powerful, permanent magnet. Generators make good backup power sources in outages. Adding some magnets to an old car generator to make the generator much more powerful. When making an electromagnet for a physics experiment. In designing and constructing the coil it becomes necessary to estimate the cross sectional area, and resistance of the coil. This provides a magnetic feedback and turns the reed switch into an oscillator. An electricity generator is a device that converts a form of energy into electricity. Have you ever explored or been curious about the powerful connection between electricity and magnetism? Maybe you've built an electromagnet like the one in the science project The Strength of an Electromagnet, or you've created an electric motor in Build a Simple Electric Motor!, or perhaps you've even generated your own electricity in Human-Powered Energy. Magnets will attract or push away a coil of wire with a current flowing in it. The difference in voltage causes the electric charges (electrons) to flow in the copper wire, generating electric current. What happens? Why can’t the nail move the paper clips? 4. However, only items with magnetic properties, like magnets, will interact with the magnetic field. When the magnet moves, it generates current in the coil. Permeability is the degree of magnetization of a material that responds linearly to an applied magnetic field. D- Coils with 6mm hall in the middle of the 3" round side. It is important to remember that transformers do not generate electrical power; they transfer electrical power from one AC circuit to another using magnetic coupling. 5v to 220v How to Make Inverter Made to Easy Simple Circuit New Idea; jordan 11 concord on Inverter 1. Place the magnets inside wire coils and attach the wire to the light bulb, fill. Turbine, copper wire, magnet. All you need to do is wrap some insulated copper wire around an iron core. The coils of wire experience a changing magnetic field and electricity is produced. One part of the electric turbine is spun by a force, in this case liquid being pulled by gravity. This experiment is guided towards STEM education and. Insert the magnets in the holes in the 2 x 4 boards. Movements of electrons along a conductor are called electricity. Basically, a wire that has electricity running through it produces a magnetic field. However, 3 sets of coils are nearly always used because it is compatible with a symmetric 3-phase AC sine current system. In this lab, you will recreate Faraday's famous experiment by building a solenoid (a coil of wire) and experimenting with magnets to produce current. Let me see if I can draw that. Nearly 50 tons of high conductivity, oxygen-free copper wire was used to make 1,700 superconducting electromagnets for a collider (atomic particle accelerator) at the Brookhaven National Laboratory in New York. Unexpected Magnetic Field. Build Your Own Simple Speaker With Just a Copper Wire and Magnet. What you will need: A battery holder, such as Radio Shack #270-402 (holds a "C" cell) or #270-403 (holds a "D" cell). When electricity flows along a wire it actually creates a magnetic field. There are ways to reduce this drag on the shaft rotation. Name three devices you see everyday that make use of the relationship between electricity and magnetism to operate. Make four or five loops. 1Electromagnetic Induction We have seen previously that when a DC current pass through a long straight conductor a magnetizing force, H and a. Wireless Power Transfer Circuit Working. Then by either moving the wire or changing the magnetic field we can induce a voltage and current within the coil and this process is known as Electromagnetic Induction and is the basic. Each coil of wire contributes a small magnetic field and, together, they add up to make a much more powerful magnet. To make a simple electric generator, start by building a small frame out of cardboard. Start your motor again by placing the electromagnet (coil) in place. Next, wrap about 25 turns of the wire around a compass. The same principles apply for a large and small generator. DC motor with a rotating coil (Arwind Gupta) The assembly of a motor start from winding the coil of copper wire. Coil Specifications for the shake powered flashlight. You can make an electromagnet stronger by doing these things:. Computer disks and audio and video tapes encode information in magnetic patterns of alternating magnetic directions and magnetic strengths. This can be done by moving the magnet or by moving the coil - the effect is the same. nature coaching on Inverter 1. gold, silver, copper, etc. Place the magnets inside wire coils and attach the wire to the light bulb, fill. When electrons flow through a coiled wire, that induces a magnetic field. According to Magnetic Energy this generator is able to produce 3. That would make the copper coil internal the motor turn around again and again interior its permanent magnet. With the way the magnets are arranged, the induced magnetic field pushes on the magnets, repelling them. Thanks to the moving magnet unit in the permanent coil, it easily produces electricity. Suppose that as soon as the N pole were pushed towards the magnet, that the induced current in the coil produced a S pole at the top end instead of a N pole. This method of generating electricity, called induction, was discovered by Michael Faraday in 1831. The total weight of copper in the stator is about 16 pounds. Here is the problem with your pendulum idea, specifically. By making a small coil, about the size of a human hand, wrapped around a ferrous iron core and placing it on top of a power pole transformer, or on a typical home or farm transformer, a flow of electricity can be generated. Electromagnets usually consist of wire wound into a coil. Free energy experiment using Magnet Copper coil - YouTube. The number of turns in the coil determines the voltage level while the thickness decides the current magnitude. In other words, you could “induce” a current flow in the wire. He discovered that when a magnet was moved inside a coil of copper wire, a tiny electric current flows through the wire. But most Tesla Coils use Neon Sign Transformers up to 30KV (with 45KV peaks) For a quick source of short lengths of high-voltage wire, get yourself some coaxial cable, carefully strip off the black jacket, then remove the copper braid and any aluminum foil. This is a simple gadget to detect electricity when it flows. Using magnets instead of metal slabs will create more effective magnetic field and thus generate more electricity. I use more copper wire within each coil? Or if i place more magnets and or coils, so there are more passes per rotation? or is this simply a matter of speed? i. is projects are made with all kind off stuff (even noodles !) but maindly hand made coils. Tesla wanted to know how to make free electricity using the invisible energy in electromagnetic fields. Scrape the insulation oabout 1 cm of the wire at each end. Changing magnetic fields (e. If you move a magnet quickly through a coil of copper wire, the electrons will move - this produces electricity. Both the 45-T magnet and the 45. The heat can then be controlled by using your old thermostat, your thermostat can turn the unit on and off as needed or you can use the heater as a room-to-room space heater. The measurement of large magnetic fields on the order of a Tesla is often done by making use of the Hall effect. * (Magnets are attracted to steel because the main component of steel is iron. In a solenoid valve, the ferromagnetic core is called the valve plunger. The number of turns in the coil determines the voltage level while the thickness decides the current magnitude. As the tire rotates, the tire deflection causes relative motion between the magnet and the coil generating electricity. One part of the electric turbine is spun by a force, in this case liquid being pulled by gravity. If you move a magnet in front of a CRT display, the picture will be distorted as the magnetic field deflects the electrons striking the screen (Anode). Likewise, if the magnetic field around a wire is changed (for example by rotating magnets inside a stationary coil or by rotating a coil inside a stationary magnet), electricity will move through the wire. Faraday's Magnetic Field Induction Experiment. Just like electricity, magnetic fields are everywhere, as well. A coil of wire with an electric current flowing through it becomes a magnet. You will measure the magnet's strength by counting the number of paper clips your electromagnet can lift. new for 2019 free energy generator device for electricity using a copper coil with magnets. It's a relationship that makes possible hundreds of different types of electronic devices! First, let's take an electromagnet. Vertical copper wires inside the coil running perpendicular to the power lines connected to a bridge rectifier, a load. I need you help smart people of Instructables! I need to make a small Electromagnet, that uses minimum power (by that I mean the battery), but still has to be very powerful. Some of the magnetism from the primary coil produces current inside the copper ring. One battery, one magnet and one piece of wire formed into a coil which rotates in another piece of wire (a paper clip) held onto the battery at each end by a rubber band. The copper-colored thing toward the front of the axle, with slits cut into it, is the commutator that keeps the motor spinning in the same direction (as explained below). Describe the process of induction. They are also designed to make electricity transformers. That is giant, normally one would attempt to use a smaller size (insulated wire, otherwise all you have a large block of copper) so that you can achieve many turns. Once the coil gets to the upright position, there is no turning force on it because the electromagnet of the coil is lined up with the permanent magnets. Step3: The generated voltage is stored in the battery. (Just hold the magnets so that they push each other away, then stick the battery in between. Requires specialty equipment that's cost prohibitive. In South Africa we use mainly thermal energy to generate the electricity we need. The armature can be on either the rotor or the stator, depending on the design, with the field coil or magnet on the other part. Why is it (in detail) that the more coils you add to an electromagnet, the stronger its magnetic field is? If I go into detail, I will soon reach a point at which I can't do the math! But the answer to your question is simpler than you might think. A transformer consists of two coils of wire that are wrapped around an iron ring. Free Energy Electricity Generator Using Magnet and Copper Wire Self Running 12v Light Bulb 2019, for more information visit our Site: https://www. They simply rotate magnets around copper coils and the moving magnets produce electrical energy, which leaps into the coils. Using magnets instead of metal slabs will create more effective magnetic field and thus generate more electricity. The force produced by a magnetic field You're designing an electromagnet, for example, and need to calculate the number of turns, or you might already have a coil and want to know how hard it will pull on a nearby piece of iron. Magnetism and electricity are closely related. The project above is a DEMONSTRATION. Can you do it? Surprisingly enough, you can. Generated Voltage from Changing B. A rule of thumb-if a magnet will stick to it, you’re good to go. The current can also be increased to make the magnetism stronger. In designing and constructing the coil it becomes necessary to estimate the cross sectional area, and resistance of the coil. A transformer turns electricity into a magnetic field with a coil of copper, then back into electricity again using another coil. Use emery cloth to clean the copper water pipe leading to the hose faucet. review for electricity and magnets Learn with flashcards, games, and more — for free. An electromagnet is simply a coil of wires which, when a current is passed through, generate a magnetic field, as below. They have many uses including the generation of electricity in hydroelectric dams. When we make a coil with a conductor and current flows through the coil then due to magnetic effect of each conductor of the coil there will be an overall magnetic field surrounding the coil. You could create a generator by reversing the motor. A magnetic motor (or magnetic energy generator) can provide electricity without having to use fuel. Would the outer coil generate any electricity as the magnet fell?. First of all, the voltages in the Tesla coil are so high that the core would quickly saturate, meaning it would no longer be magnetizable past a certain point. Electromagnetic coils are used in electrical engineering, in applications where electric currents interact with magnetic fields, in devices such as electric motors, generators, inductors, electromagnets, transformers, and sensor coils. To understand how an electric motor works, the key is to understand how the electromagnet works. One way to do this is by sandwiching the transmitter coil between 2 sheets of acrylic and sealing the edges with silicone, leaving only a tiny gap for the wires. However, the magnetic field of one wire is small and does not have much strength, so it can only make temporary magnets from small objects. 5v to 220v How to Make Inverter Made to Easy Simple Circuit New Idea; jordan 11 concord on Inverter 1. Determine the current density and power that are required to make a wire levitate in a magnetic field against the force of gravity. When winding the wire, make sure that you follow the exact winding patterns and number of winds as the original. When you have current in the coil, it generates a magnetic field. ) Step 2: Make your coils. A magnet alone will not generate electricity. Alternator built using old hard drives. When the water moves across the turbine, it spins, rotating the shaft and, in turn, rotating the copper coils of the generator. On your first wind, leave the end of the wire loose on the tab. Suppose you have two magnets, spaced a certain amount apart, and the North poles are both facing each other. In this project, you will explore whether the strength of an electromagnet changes with the number of turns in the magnet's coil. MORE ON ELECTRICITY AND MAGNETISM. Take the 3-inch nail and the thin covered copper wire, and wrap the copper wire around the nail, leaving at least 10 inches of it at the end. Make a coil as described above, but a bit longer - say 70mm. That's not quite right. permanent magnets to pass by coils of wire. Taking the example of a coil working at 10 kHz you will see that a wire diameter of 2 mm is about as thick as you can go without skin effect increasing its AC resistance. If you have one ,you can produce the other by moving the coil or magnet or supplying current to the coil. free energy electricity generator using Magnet and copper wire self running light Bulb 2018 How to make free energy generator without battery with the help of speaker magnet use as lamp free energy electricity generator using Magnet and copper wire self running 12v light Bulb 2018 - YouTube See more. His experiments helped to further the fields of electricity and magnetism, making many of the gadgets and luxuries we enjoy today possible. Electricity, magnetism, and movement. Strip the ends of the small piece of insulated wire and connect the negative terminal of the battery to the ground rod. Today's question comes from Peter. can u help me with explaining the concept to me. However, if we move the magnet towards the coil, the ammeter flicks to the right. An electric motor is essentially just a tight coil of copper wire wrapped around an iron core that's free to rotate at high speed inside a powerful, permanent magnet. Basically, a wire that has electricity running through it produces a magnetic field. MK enquires where the lettuce is going – all to private customers restaurants etc. In a single wire, this field is usually pretty weak. It works, but apart from demonstrating the principle that electricity and magnets can be used to produce motion, it's not very practical. Just like electricity, magnetic fields are everywhere, as well. This can be done by moving the magnet or by moving the coil - the effect is the same. which will interfere with the magnetic fields of generator. Next, wrap about 25 turns of the wire around a compass. Eventually, electricity is generated within the metal object, which in turn generates. It also is an exciting science project. You have a matchbox tray, a long piece of fine enamelled copper wire, and a compass. In the measurement of steady magnetic fields the search coil is connected to a ballistic galvanometer ( a sensitive meter where the maximum deflection is proportional to the charge flowing in a short time). The only items you'll need to make a DIY homopolar motor are a AA battery, copper wire and a rare earth neodymium magnet. Magnetism and electricity are closely related. Purpose = Transform mechanical energy to electrical energy. It will be in the order of North-South-North-South. This is the basic construction of a generator, where work done to turn the coil is converted to electric energy. When the magnet moves, it generates current in the coil. The current direction is reversed with the switch shown in Figure 7 (but not in the circuit diagram, Figure 6). Water is impelled through the coupler, forming a vortex in the bowl. The word "electricity" is sometimes used to mean "electrical energy". Non-magnetic conductors e. A simple electromagnet. Can you do it? Surprisingly enough, you can. Make Free Energy With Copper Coil 100% Real Now Use Free Electricity Renewable Energy Solar Energy Solar Power Science Projects Science Experiments Diy Electronics Electronics Projects Magnetic Motor Nikola Tesla. Step3: The generated voltage is stored in the battery. They simply rotate magnets around copper coils and the moving magnets produce electrical energy, which leaps into the coils. Generators. Induction coils were used widely in electrical experiments and for medical therapy during the last half of the 19 th century, eventually leading to the development of radio in the 1890's. When the water moves across the turbine, it spins, rotating the shaft and, in turn, rotating the copper coils of the generator. Once the coil gets to the upright position, there is no turning force on it because the electromagnet of the coil is lined up with the permanent magnets. I need to know how to calculate the number of copper coils, i. Place the magnets inside wire coils and attach the wire to the light bulb, fill. Electricity, magnetism, and movement. 22, 1791) was a British physicist and chemist who is best known for his discoveries of electromagnetic induction and of the laws of electrolysis. The coil is connected to a sensitive ammeter. It also is an exciting science project. Making of Receiver. Moving magnetic fields pull and push electrons. You could create a generator by reversing the motor. In a single wire, this field is usually pretty weak. That is giant, normally one would attempt to use a smaller size (insulated wire, otherwise all you have a large block of copper) so that you can achieve many turns. Hence the rotor starts to turn anticlockwise. Name three devices you see everyday that make use of the relationship between electricity and magnetism to operate. The magnetic field (or the coil) needs to be in constant motion to produce/induce the electricity into the coil. permanent magnets. Now, each magnet is repelled by the superconductor, and there is little or no attraction between the magnets themselves (one little field line did sneak around the superconducting plate, though). Take the wooden rod with the magnet on it and put inside the copper coil without it touching the sides and spin the rod until the light starts to shine, this will take a while so just keep tweaking it until it starts to work. Read/write heads of a tape recorder do exactly this -- they have coils wrapped around special metals to make an electromagnet. This could make the magnet accelerate towards the coil without any outside force applied. Making of Transmitter. The closer to the wire coils, the greater the power generated in those coils. To concentrate the magnetic field, in an electromagnet the wire is wound into a coil with many turns of wire lying side by side. By making a small coil, about the size of a human hand, wrapped around a ferrous iron core and placing it on top of a power pole transformer, or on a typical home or farm transformer, a flow of electricity can be generated. In order to construct a small magnetic generator, the following materials are needed: a reasonably sized cardboard sheet, a 15 centimeters long nail, some tape, a bulb and about 8 meters of copper wire (it is recommended to use insulated copper wire). Making of Transmitter. A core (air, ferromagnteic materials, ferrimagnetic materials) The coil has to be wrapped around the core. The magnetic field (or the coil) needs to be in constant motion to produce/induce the electricity into the coil. A piece of copper wire also contains free electrons. If anyone else wants to try to make a cheaper or simpler electric generator, they have to do better than I did!. If we had a material that could conduct electricity a thousand times better than copper, the system would indeed yield a self-sustaining current. However if you have one or two other components such as a coil of copper wire and you move the magnet in this copper wire coil, electricity will flow. An alternating current from the voltage source in the first coil produces a magnetic field. generator when the wire loops of a (motor, generator) turns, an electric current is produced. Introduction. A transformer turns electricity into a magnetic field with a coil of copper, then back into electricity again using another coil. Some of the experiments are very basic - things you've done since third grade. Exit the electrons by spinning copper in a magnet through a turbine. I have a couple of questions that I need you to help me answer: Does the number of coils that is wound to the metal bar effect. I put a 5” speaker magnet under the grids then put the white-gold containers on top of the grid and leave em there for weeks.