The following diagram in figure shows a coil of several turns of copper wire near a magnet NS. The coil is moved in the direction of arrow show in the diagram. How would the current in coil be altered if the coil has twice as many turns.

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Solution

Current flowing in the coil is directly proportional to the number of turns in the coil. So, if the number of turns be doubled, the current in the coil will also become double.

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