effective value of voltage and current

In case of a.c circuit, Ohm's law holds good for {:a) Peak values of voltage and current {:b) Effective values of voltage and current {:c) Instantaneous values of voltage and current

Which of the following represents the value of voltage and current at that instant?

If V=100sin (100t)V and I =100sin (100t+(pi)/(3)) mA are the instantaneous values of voltage and current, then the rms values of voltage and current are respectively

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

The instantaneous voltage through a device of impendance 20 Omega is V= 80sin100pit . The effective value of the current is

A direct current of 10 A is superimposed on an alternating current / = 40 cos omegat (A) flowing through a wire. The effective value of the resulting current will be

The current i through a wire varies with time t as shown in the fig. The effective (rms) value of the current is

A direct current of 5 amp is superimposed on an alternating current I=10 sin omega t flowing through a wire. The effective value of the resulting current will be: