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The emf induced in a coil is -2 volt by ...

The emf induced in a coil is -2 volt by changing the current form 8 miliampere to 6 milliampere in `2 xx 10^-3` second. The self inductane of the coil in henry is

A

`0.2`

B

2

C

20

D

200

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The current in a coil of self inductance 1 mH changes from zero to 10 Ampere in a time interval of 10 millisecond. Find the emf induced across the coil and the energy stored during that time.