Question

Will the magnetic needle come back to the original position when the current stops flowing? Why ?​

Answer 1

Answer:

If we now open the switch so that the current stops flowing in the wire AB, we will find that the compass needle comes back to its original position. This shows that when electric current flowing in a wire stops, then the magnetism produced by it disappears.

When current is stopped from flowing in the coil of wire, the iron nail no longer remains a magnet. Since the iron nail loses its magnetism, therefore, the steel pins do not cling to it anymore.

Explanation:

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