﻿ A capacitor, a  resistor and a 80-mH inductor are in series with a 50-Hz a.c source. Calculate the capacitance if the current is in phase with the voltage.  : Kaysons Education

# A Capacitor, A  resistor And a 80-mH Inductor Are In Series With A 50-Hz a.c source. Calculate The Capacitance If The Current Is In Phase With The Voltage.

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## Question

### Solution

Correct option is

In an L-C-R circuit, the current and the voltage are in phase , when

Here,

.

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