What is an electromagnet?
Asked by sri srinidhi
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1 Answer
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Hi,
An electromagnet is a magnet that is created using an electric current - created by electricity. Since electricity can be turned on and off, so can an electromagnet. It can even be weakened or strengthened by decreasing or increasing the current.
Electromagnets are used in all kinds of electric devices, including hard disk drives, speakers, motors, and generators, as well as in scrap yards to pick up heavy scrap metal. They're even used in MRI machines, which utilize magnets to take photos of your insides. Motors and generators are vital to everything we do in the modern world. A motor takes electrical energy and uses a magnet to tur...more
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