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cse • paper_1 • electrodynamicscse-1997-subject-03-002

Circuit analysis — UPSC CSE 1997 Physics PYQ

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An alternating voltage, v = V_0 \sin (\omega t + \phi) is applied to a series RL circuit through a switch. Find the sum total of the transient and steady currents. Find the conditions when transient current becomes

(i) zero, and

(ii) maximum

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