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1. |
An emf of 5.6V is induced in a coil while current in coil is decreased from 100A to 20A in 0.02s its mutual induction will be |
A. | 1.4 x 10-3 |
B. | 2.4 x 10-3 |
C. | 3.4 x 10-3 |
D. | 4.4 x 10-3 |
Answer» B. 2.4 x 10-3 | |