JEE Main 2026 · 6 Apr · Shift 1, Physics question 45

A LCR series circuit driven with $E_{rms}=90$ V at frequency $f_d=30$ Hz has resistance $R=80$ Ω, an inductance with inductive reactance $X_L=20.0$ Ω and capacitance with capacitive reactance $X_C=80.0$ Ω. The power factor of the circuit is ________.