MHT CET 2024 Physics question

When a capacitor is connected in series LR circuit, the alternating current flowing in the circuit

(A)is zero
(B)remains constant
(C)increasesCorrect
(D)decreases

Answer: (C)

Solution

Without the capacitor the impedance is . After a capacitor is added in series it is . The capacitive reactance acts opposite to the inductive reactance, so it cancels part of and the net reactance becomes

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Question ID VK-094841