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Q.

An e.m.f. of 12 volts is induced in a given coil when the current in it changes at the rate of 48 amperes per minute. The self-inductance of the coil is

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a

0.25 henry

b

15 henry

c

1.5 henry

d

9.6 henry

answer is B.

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An e.m.f. of 12 volts is induced in a given coil when the current in it changes at the rate of 48 amperes per minute. The self-inductance of the coil is