Which of the following expressions gives the tangent of the phase angle between the…

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

Problem

Which of the following expressions gives the tangent of the phase angle

\phi

between the source voltage and the current in a series

RLC

circuit? (a)

\tan\phi=\dfrac{R}{X_L - X_C}

(b)

\tan\phi=\dfrac{X_L - X_C}{R}

(c)

\tan\phi=\dfrac{X_L + X_C}{R}

(d)

\tan\phi=\dfrac{X_C - X_L}{R}