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6. The source of electric current in the simple electromagnet set-up is the _____.

Choices:
opposite poles iron nail magnetic field strength magnets electromagnet dry cell
magentism increasing transmits


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Sagot :

Answer:

n fact, the simplest electromagnet is a single wire that is coiled up and has an electric current running through it. The magnetic field generated by the coil of wire is like a regular bar magnet.

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