The current passing through a choke coil of inductance 4 Henry is decreasing at the rate of `3 amp//sec`. The e.m.f developed across the coil isA. `-8 V`B. `-10 V`C. `-12 V`D. `-6 V`

The current passing through a choke coil of inductance 4 Henry is decr

1.	The current passing through a choke coil of inductance 4 Henry is decreasing at the rate of `3 amp//sec`. The e.m.f developed across the coil isA. `-8 V`B. `-10 V`C. `-12 V`D. `-6 V`
Answer» Correct Answer - C `e = -L(dI)/(dt) = 4(-3) = -12 V`.

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The current passing through a choke coil of inductance 4 Henry is decreasing at the rate of `3 amp//sec`. The e.m.f developed across the coil isA. `-8 V`B. `-10 V`C. `-12 V`D. `-6 V`

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