An e.m.f. of 16 volts is induced in a coil of inductance 4H. The rate of change of current must be
A. 64 A/s
B. 32 A/s
C. 16 A/s
D. 4 A/s
Answer: Option D
This Question Belongs to Electronics And Communications Engineering >> Electromagnetic Induction
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Formula...
emf = L(dI/dt)
di/dt = emf/L = 16/4
I=v/XL
I=16/4
I=4