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Field Due to a Solenoid

A constant cu...

Question

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

A

Emf induced across solenoid 8 volt.

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B

Emf induced across solenoid 6 volt.

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C

Potential difference across solenoid is 0 volt.

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D

Potential difference across solenoid is 8 volt.

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Solution

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

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Field Due to a Solenoid

Standard XII Physics

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