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A coil has a resistance of 4 ohms and an inductance of 2H. It is connected to a 20V dc supply. Calculate the final value of the voltage across the inductor.(a) 5V(b) 10V(c) 0 V(d) 20V |
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Answer» The correct answer is (c) 0 V To elaborate: At steady state, inductor behaves as a short circuit for dc current so, V=0 |
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