If `i= t^(2), 0 lt t lt T` then `r.m.s.` value of current is

The instantaneous current in an A.C. circuit is given by I= 2 sin (omega t+theta) ampere. The r.m.s. value of the current is

If instantaneous current is given by i=4 cos(omega t + varphi) amperes, then the r.m.s. value of current is

The equation of an alternating current is I = 20 sin 300 pi t . 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

The electric current flowing in a circuit is given by i=((2t)/(3 tau)) A for some time.The rms value of current for the period t=0 to t=tau is

The alternating current is given by i={sqrt(42)sin((2pi)/(T)t)+10}A The r.m.s value of this current is ___________A.

In a certain circuit current changes with time accroding to i=2sqrt(t) . r.m.s. value of current between t=2 to t=4s will be

In a certain circuit current changes with time accroding to i=2sqrt(t) . r.m.s. value of current between t=2 to t=4s will be