If the instantaneous current in a circuit is given by `I = 20 cos (omega t + phi) A`, the rms value of the current is

If the instantaneous current in a circuit is given by I=2 cos (omegat+phi) amperes, the rms value of the current is

If the instantaneous current in a circuit is given by i=2cos (omegat-phi) ampere, the r.m.s. value of the current is

The instantaneous current in a circuit is given by I = 4 cos (omegat + theta) amp. The rms 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

The current from an A.C. source is given by I = 2cos(omegat + phi) then rms value of current is ……

If instantaneous current in a circuit is given by I=(2+3 sin omegat) A, then the effective value of resulting current in the circuit is

If instantaneous current in a circuit is given by I=(2+3 sin omegat) A, then the effective value of resulting current in the circuit is