A coil and a capacitor are connected separately to the same (rms) AC source
PHYSICS · Single correct · CBSE · Physics · Alternating Current · Alternating Current
Problem
A 100mH coil and a 10μF capacitor are connected separately to the same 220V (rms) AC source. The coil draws 7.0A at 50Hz. At approximately what frequency should the capacitor be operated so that it draws the same rms current as the coil?
(a) 160Hz
(b) 3.2×103Hz
(c) 510Hz
(d) 720Hz