If the number of turns in a current-carrying circular loop is decreased by $10$ times, then how will the magnetic field change?

Increase by

10

times

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Increase by

5

times

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Decrease by

10

times.

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Decrease by

5

times

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Solution

The correct option is D Decrease by $10$ times.
The magnetic field will decrease by 10 times as, $B \propto N$

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If the number of turns in a current-carrying circular loop is decreased by 10 times, then how will the magnetic field change?

The correct option is D Decrease by 10 times.The magnetic field will decrease by 10 times as, B∝N

If the number of turns in a current-carrying circular loop is decreased by $10$ times, then how will the magnetic field change?

The correct option is D Decrease by $10$ times.
The magnetic field will decrease by 10 times as, $B \propto N$