At resonance in a series circuit

PHYSICS · Single correct · CBSE · Physics · Alternating Current · Alternating Current

Problem

At resonance in a series RLCRLC circuit, which one of the following statements is correct? (a) The impedance of the circuit is zero. (b) The phase angle between voltage and current is ±π2\pm \dfrac{\pi}{2}. (c) The impedance equals the resistance of the circuit. (d) The power factor is zero.

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