Question

In a series $L-R$ circuit, under which condition the power loss will be least for an a.c voltage source?

• A. high resistance and high inductance
• B. high resistance and low inductance
• C. low resistance and high inductance
• D. low resistance and low inductance

Answer 1

Answer: (C)

The power loss in an a.c circuit will be minimum when resistance is low so that inductor is dominating the circuit.