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1. |
Two circuits have coefficient of mutual induction of 0.09 henry. Average e.m.f. induced in the secondary by a change of current from 0 to 20 ampere in 0.006 second in the primary will be [MP PET 1992] |
A. | 120 V |
B. | 80 V |
C. | 200 V |
D. | 300 V |
Answer» E. | |