An electromagnet is a device in which moving electric charges (current) in a coil of wire create a magnet. What's one advantage of using electromagnets in devices? A Electromagnets have a strong, constant magnetic field. B Electromagnets are more powerful than permanent magnets. C Electromagnets don't need a source of electricity to work. D Electromagnets can easily be turned on and off.

Question

Physics

Carmelo Patrick

5 June, 10:41

An electromagnet is a device in which moving electric charges (current) in a coil of wire create a magnet. What's one advantage of using electromagnets in devices? A Electromagnets have a strong, constant magnetic field. B Electromagnets are more powerful than permanent magnets. C Electromagnets don't need a source of electricity to work. D Electromagnets can easily be turned on and off.

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Mccullough · Answer 1

I think the correct answer from the choices listed above is option D. One advantage of using electromagnets in devices would be that electromagnets can easily be turned on and off. Hope this answers the question. Have a nice day.