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Is it true that when a compass needle is brought near a current-carrying wire, it points out a north-south direction?

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True

False

answer is B.

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Detailed Solution

The above statement is False.
Due to the magnetic effect of electric current, the current-carrying wire acts as a magnet. The compass needle is a tiny magnet that points in the north-south direction. When it is brought close to a magnet, the needle gets deflected. Likewise, when a compass needle is brought near a current-carrying wire, it is deflected.
The correct statement would be that when a compass needle is brought near a current-carrying wire, it does not point out a north-south direction.

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