In an a.c. circuit, the instantaneous e.m.f. and current are given by e = 100 sin 30 t `i = 20 sin( 30t-(pi)/(4))` In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively :A. `(50)/(sqrt2),0`B. 50,0C. 50,10D. `(1000)/(sqrt2),10`

In an a.c. circuit, the instantaneous e.m.f. and current are given by

1.	In an a.c. circuit, the instantaneous e.m.f. and current are given by e = 100 sin 30 t `i = 20 sin( 30t-(pi)/(4))` In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively :A. `(50)/(sqrt2),0`B. 50,0C. 50,10D. `(1000)/(sqrt2),10`
Answer» Correct Answer - C

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In an a.c. circuit, the instantaneous e.m.f. and current are given by e = 100 sin 30 t `i = 20 sin( 30t-(pi)/(4))` In one cycle of a.c., the average power consumed by the circuit and the wattless current are, respectively :A. `(50)/(sqrt2),0`B. 50,0C. 50,10D. `(1000)/(sqrt2),10`

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