Q .     The magnitude of the induced emf in a coil of inductance `30\ mH` in which the current changes from `6\ A` to `2\ A` in `2\ s` is:

EAMCET 2015
A

`0.06\ V`

B

`0.6\ V`

C

`1.06\ V`

D

`6\ V`

HINT

`e=-L\ frac{di}{dt}`

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