Topic: Reactance, impedance, LCR series circuit, resonance· Electromagnetic Induction and Alternating Currents
The potential differences across the resistance, capacitance and inductance are 80 V, 40 V and 100 V respectively in an L-C-R circuit. The power factor of this circuit is
1. 0.5
2. 0.8
3. 1.0
4. 0.4