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| magnetism that results from a electric current. When a charged particle such as a electron moves. Magnetic field on a wire is a tube around it rather then a circle on a magnet. |
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| a magnet made by placing a piece of iron or steel inside a coil of wire. As long as the coil carries a current, the metal acts as a magnet and increases the magnet field of coil. Increasing number of loops in magnet make it stronger. |
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| Discovered that an electric current produces a magnetic field. Danish Physicist and discovered electric current while teaching a class when he noticed and electric charge affected a compass. |
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| On a crane you can use a electromagnet because it can turn on and off picking up cans or cars. |
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| Electric motors convert the energy of an electric current into motion by taking advantage of the interaction between current and magnetism. |
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| hundreds of appliances that use electric motors including power tools, electrical kitchen appliances, and the small fans in a computer. |
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| voltage source, shaft, an electromagnetic, and one additional magnet |
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| the voltage source flows through the coil, a magnetic field is produced around the electromagnet. The poles of the magnet interact with the poles of the electromagnet, causing the motor to turn. |
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