In a series LR circuit

PHYSICS · Subjective · CBSE · Physics · Alternating Current · Alternating Current

Problem

In a series LR circuit, power of 400 W is dissipated from a source of 250 V, 50 Hz. The power factor of the circuit is 0.8. In order to bring the power factor to unity, a capacitor of value

C

is added in series to the

L

and

R

. Taking the value

C

\left(\frac{n}{3\pi}\right) \mu\text{F}

, then value of

n

is _____.

Related theory

Power in AC Circuits
AC Circuit Analysis
Alternating current
Series LCR circuit
AC applied to a series LCR circuit

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