Question
A copper nail, wire, and battery make what?
Weaker battery
Permanently magnet
Electromagnetic
Stronger battery
Weaker battery
Permanently magnet
Electromagnetic
Stronger battery
Answers
There are no human answers yet.
Answered by
GPT-4o mini
A copper nail, wire, and battery can create an **electromagnet**. When a current flows through the wire wound around the nail, it generates a magnetic field, turning the nail into a magnet. If the battery is connected, the electromagnet can be turned on and off by controlling the current.
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