In an a.c. circuit, the current
A. always leads the voltage,
B. always lags behind the voltage
C. is always in phase with the voltage
D. may lead or lag behind or be in the same phase with the voltage.
Answer:D
In an a.c. circuit, the current
A. always leads the voltage, B. always lags behind the voltage C. is always in phase with the voltage D. may lead or lag behind or be in the same phase with the voltage.