alleryStart learning →The air-cored solenoid of 0.1257 mH carries a current falling at 60 A/s. What emf is induced in it?
A0.754 mV
B75.4 mV
C7.54 mV
D754 mV
Answer & Solution
Correct answer: C. 7.54 mV
Emf = L x rate = 0.1257 x 10^-3 x 60, which is about 7.54 mV.
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