In a wire direct current `i_(1)` and an AC current `i_(2)=i_(20) sin omega`t is superposed. Find the RMS value of current in wire.

An AC current is given by i(t) = I_(1)sin wt + I_(2)cos wt . Find the rms value of current.

An a.c. current I= i_1 sin omegat + i_2 sin omegat . The r.m.s. value of the current will be—

A current is made of two components a dc component i_(1) = 3A and an ac component i_(2) = 4 sqrt(2) sin omega t . Find the reading of hot wire ammeter?

A current is made of two components a dc component i_(1) = 3A and an ac component i_(2) = 4 sqrt(2) sin omega t . Find the reading of hot wire ammeter?

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

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

The equation for ac current is i=I_1 sin wt+I_2cos wt . What is the value of rms current?