Question
The average e.m.f. induced in a coil in which a current changes from 0 to 2 A in 0.05 s is 8 V. The self inductance of the coil is(a) 0.1 H(b) 0.2 H(c) 0.4 H  (d) 0.8 H
       

Answer

(b) 0.2 H

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