Identify the correct expression for the magnitude of impedance of a series circuit.

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

Problem

Identify the correct expression for the magnitude of impedance

Z

of a series

RLC

circuit. (a)

Z = R + |X_L - X_C|

(b)

Z = \sqrt{R^{2} + (X_L - X_C)^{2}}

(c)

Z = \sqrt{R^{2} + (X_L + X_C)^{2}}

(d)

Z = \sqrt{R^{2} + X_L^{2} + X_C^{2}}