Which of the following expressions represents the impedance of a series circuit?

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

Problem

Which of the following expressions represents the 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 X_C}