1.

Find voltage across 12H inductor.(a) 2V(b) 10V(c) 12V(d) 20V

Answer» The correct option is (c) 12V

To elaborate: e=Ldi/dt

Leq=2+10+12+20=44H

di/dt=44/44 = 1 A/s.

Voltage across 12H inductor = 12*di/dt = 12*1=12V.


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