The equation of alternating current is given by E = 158 sin 200 `pit ` . The value of voltage at time `t = 1//400` sec is

The instantaneous value of an alternating current is given by i=50 sin(100 pit) . It will achieve a value of 25 A after a time interval of

The equation of an alternating voltage is V =100sqrt2 sin 100pit volt. The RMS value of voltage and frequency will be respectively

Equation of alternating current is given by l = 10sqrt2sin(100pil+pi/6) . The time taken by current to reach the root mean square value from t = 0 is t then value of t is

The equation of an alternating current is I = 50 sqrt(2) sin 400 pi t A , then the frequency and the root mean square value of current are respectively.

An alternating current is given by 1 = 1 1 cos ω t + 1 2 sin ω t . sinomega t .The value of rms current is

The equation of an alternating current is I=20sin300pit .Calculate the frequency and r.m.s value of current

The equation of an alternating current is I=20sin300 pi t .Calculate the frequency and r.m.s value of current

If an alternating current is given by i = a sin ( omega t) + b cos ( omega t), then RMS value of current is :-

The equation of an alternating current is 1=20sin300 pi t . Q.Calculate the frequency and r m.s value of current