Jee Main
Alternating Current
JEE Main 2021 (Online) 27th August Evening Shift
INTEGER+4 / -12021
An ac circuit has an inductor and a resistor resistance R in series, such that XL = 3R. Now, a capacitor is added in series such that XC = 2R. The ratio of new power factor with the old power factor of the circuit is \(\sqrt 5 :x\). The value of x is ___________.