A single-phase AC motor takes a current of from a mains and delivers an average power of
PHYSICS · Subjective · CBSE · Physics · Alternating Current · Alternating Current
Problem
A single-phase AC motor takes a current of 10A from a 220V (rms) mains and delivers an average power of 1.5kW. Determine:
(i) the power factor of the motor, and
(ii) the phase angle between the supply voltage and current.