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1. |
If the current through a coil having an inductance of 0.5 H is reduced from 5 A to 2 A in 0.05 s, calculate the mean value of the EMF induced in the coil. |
A. | -15 V |
B. | -30 V |
C. | -60 V |
D. | -10 V |
Answer» C. -60 V | |