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Q.

Is it true that a compass needle shows deflection when brought near a wire carrying current due to the magnetic behaviour of the current carrying wire?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
When a compass box is brought near a current-carrying wire, the needle in the compass box shows deflection to one side. When the current in the wire changes its direction, the compass needle deflects to the other side. This indicates that a current-carrying conductor acts like a magnet.
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