Question

0.22. What is an electromagnet? How is it different rom a permanent magnet? State two uses of
electromagnet.
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Answer 1

Answer:

Electromagnet is a device which works as a magnet when there is the supply of electricity . mainly metals are used to make a electromagnet.

A permanent magnet works as a magnet without any external help i.e. electricity .

electromagnets are used in high speed trains , electric appliances

Answer 2

come aao baat Karni this apko