A constant current of $2 A$ is passing through a solenoid of inductance $12 H$ . Then,

Emf induced across solenoid 8 volt.

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Emf induced across solenoid 6 volt.

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Potential difference across solenoid is 0 volt.

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Potential difference across solenoid is 8 volt.

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Solution

The correct option is C Potential difference across solenoid is 0 volt.
$emf = L \frac{d i}{d t} = 0$
(since $i =$ constant)

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