An inductor-resistor circuit (LR) series circuit connected to an alternating current (a.c.) source…

An inductor-resistor circuit (LR) series circuit connected to an alternating current (a.c.) source of 220 V, 50 Hz, the resistor value is 11 ohms, and the power factor is $1/\sqrt{2}$. Calculate the value of inductance in the circuit.