How can you make a magnet that turns on and off
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Ответ:
magnetized.
An electromagnet can be turned on and off. It's only magnetic
when electric current flows through the wire that's wrapped
around it. The wire is connected to a battery or other power
supply. So if there's a switch in the wire, the electromagnet
can be switched on and off.
Ответ:
true
Explanation:
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