when the current is switched on through a wire compass needle kept nearby gets deflected from its north south position explain
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When current is passed through a wire, it acts like a magnet. It is the reason why compass needle kept nearby a current-carrying wire gets deflected from its north-south position.
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When an electric current passes through a wire, it behaves like a magnet. This magnetic effect of the electric current makes the compass needle deflect from the north-south direction.
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