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electricity+magnect
Question | Answer |
---|---|
magnetism | force of attraction or repulsion of magnetic materials |
magnetic field | surrounds a magnet that applies a force without actually touching an object |
electric current | a coil of wire spinning around a magnet can form this |
magnet | an electric current flowing through a wire around an iron core produces this |
electromagnet | this can be made when a wire in electric circuit is wrapped around an iron core magnetic field |
motor | this changes electrical energy into mechanical energy |
generator | this changes mechanical energy into electrical energy |
turbine | huge wheels in generator pushed by water wind or steam |
repel | like poles in a magnet do this |
attract | unlike poles of a magnet do this |