A coil of copper wire is connected to agalvanometer.what would happen is a bar magnet is a)pushed into the coil very slowly b)pushed into the coil rapidly c)held at rest inside the coil d)pulled out again rapidly
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a. pushed into the coil very slowly
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Ans: (i) when magnet is pushed near a bar magnet then it induces current due to electromagnetic induction. (ii) When the bar magnet is withdrawn from inside the coil of the insulated copper wire again the current is induced in the coil but this time it is in reverse direction.
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