JEE Main 202127 Aug, Evening shiftPhysicsMediumElectromagnetic Induction and Alternating Currents149× since 2002
An ac circuit has an inductor and a resistor resistance R in series, such that X_L = 3R. Now, a capacitor is added in series such that X_C = 2R. The ratio of new power factor with the old power factor of the circuit is . The value of x is ___________.