Question

What happens to the needle of a compassion kept nearby when electric current is switched on in a wire why does it happens

Answer 1

the needle of compass shows deflection when it is kept nearby a electric current which is switched on.

This is because the current develops magnetic field and the compass shows deflection for magnetic field.

Answer 2

Answer:

A current carrying conductor behave like a magnet. In other words when electric current passes through a conductor a magnet feel is generated around it .

Explanation:

100% correct answer

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