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Q.

A magnet whose magnetic field is created by an electric current is called an [[1]].


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Detailed Solution

A magnet whose magnetic field is created by an electric current is called an electromagnet.
An electromagnet is a magnet that uses electricity to operate. In contrast to a permanent magnet, the strength of an electromagnet can be easily changed by varying the amount of electric current flowing through it. By reversing the flow of electricity, the poles of an electromagnet can even be reversed.
Electromagnets are made of wire coils that have electricity running through them. Moving charges generate magnetic fields, so when an electric current flows through the coils of wire in an electromagnet, the coils behave like magnets.
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