A series RLC circuit has

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

Problem

A series RLC circuit has

R = 50\,\Omega

,

L = 0.20\,\text{H}

and

C = 80\,\mu\text{F}

. At what frequency (in hertz) will the current lag the voltage by

45^{\circ}

? (a)

40\,\text{Hz}

(b)

64\,\text{Hz}

(c)

25\,\text{Hz}

(d)

94\,\text{Hz}

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