In an inductance coil the current increa...

In an inductance coil the current increases from zero to `6` ampere in `0.3` second by which an induced e.m.f. of `60` volt is produced in it. The value of coefficient of self-induction of coil is

A

1 henry

B

1.5 henry

C

2 henry

D

3 henry

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The correct Answer is:

D

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