Question

which of the following statements is correct about electromagnet.
1. Electromegent behaves like solenoid.
2. solenoid is a tap electromagnet.
3. electromgent is temporary magnet as it loses its magnetism when circuit is open.
4. electromagnet is a permanent magnet. ​

Answer 1

Explanation:

3. electromgent is temporary magnet as it loses its magnetism when circuit is open.

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Answer 2

Answer:

3rd is correct statement about electro magnet

Explanation:

Since working of electro magnet depends on the current passing through it. So it will loose its magnetic behavior when current passing through it has stopped.