A varying current in a coil changes from 10A to zero in 0.5 sec. If th – McqOptions

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1.	A varying current in a coil changes from 10A to zero in 0.5 sec. If the average e.m.f induced in the coil is 220V, the self-inductance of the coil is
A.	5 H
B.	6 H
C.	11 H
D.	12 H
Answer» D. 12 H

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