In an a.c. circuit, the instantaneous e.m.f. and current are given by e = 100 sin 30 t i = 20 sin … In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively

Alternating Current

JEE Main 2018 · Session, Shift 1 · Q5875

PhysicsEasy94×since 2002Q5875

In an a.c. circuit, the instantaneous e.m.f. and current are given by e = 100 sin 30 t i = 20 sin

\left( {30t - {\pi \over 4}} \right)

In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively

JEE Main 2018 · Session, Shift 1 · Q5875

PhysicsEasy94×since 2002Q5875

In an a.c. circuit, the instantaneous e.m.f. and current are given by e = 100 sin 30 t i = 20 sin

\left( {30t - {\pi \over 4}} \right)

In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively