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

If instantaneous current is given by i=4 cos (omegat+phi) ampere, than the rms value of current is ...... ampere.

If the instantaneous current in a circuit is given by i=2cos (omegat-phi) ampere, the r.m.s. 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 = 20 cos (omega t + phi) A , the rms 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 a circuit is, I=sin(omegat+phi) ampere. What is the r.m.s., value of the current?

The instantaneous value of an AC is given by I = 5 sin ( omega t + ph ) 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