A varying current in a coil changes from 10 A to
zero in 0.5 sec. If the average e.m.f. induced in
the coil is 220 V, the self-inductance of the coil is
(a) 5 H (b) 6 H
(c) 11 H (d) 12 H
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Average speed is defined as the average distance travelled per unit time and is obtained by dividing the total distance travelled by the total time taken.
Explanation:
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