The instantaneous current from an `a.c.` source is `l = 5 sin (314t)` ampere. What are the average and `rms` values of the current?

The instantaneous current in an AC circuit is l = sqrt 2 sin(50 t + pi / 4 ) . The rms value of current is

In an AC circuit, the instantaneous values of e.m.f and current are e=200sin314t volt and i=sin(314t+(pi)/3) ampere. The average power consumed in watt is

In an AC circuit, the instantaneous values of e.m.f and current are e=200sin314t volt and i=sin(314t+(pi)/3) ampere. The average power consumed in watt is

The alternating current in a circuit is given by I = 50sin314t . The peak value and frequency of the current are

In an ac circuit the current is given by i=0.5 sin (314 t + 60^@) milliampere. Then peak to peak value of current is-

A resistance of 20 Omega is connected to a source of alternating current rated 110 V, 50 Hz . Find (a) the rms current, (b) the maximum instantaneous current in the resistor and (c) the time taken by the current to change from its maximum value to the rms value.

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 current and voltage of an a.c. circuit are given by i=10 sin 300 t, V=100 sin 300 t V .What is the power dissipation in the circuit?

An alternating current is given by the following equation: I=3sqrt(2)sin (100 pi t+pi//4) . Give the frequency and rms value of the current.

The instantaneous current and volatage of an AC circuit are given by i = 10 sin (314 t) A and V = 100 sin (314 t) V What is the power dissipation in the circuit?