When an a.c. voltage is applied to a capacitor, no power is consumed because the current
A
leads the voltage by 90°
B
lags behind the voltage by 90°
C
and voltage are in phase
D
and voltage are 180° out of phase
Verified Correct Answer: A.
Physical Principles & Numerical Solution
In a capacitive circuit, current leads voltage by 90°, or voltage lags current by 90°
Source: Myschool Past Questions Archive (Record #13859)