Home
Class 12
PHYSICS
In a circuit, the instantaneous values o...

In a circuit, the instantaneous values of alternating current and voltages in a circuit is given by
`I = (1)/(sqrt2) sin (100 pi t) A` and
`E = (1)/(sqrt2) sin (100 pi t + (pi)/(3)) V`.
The average power in watts consumed in the circui is

A

`(1)/(4)`

B

`sqrt(3)/(4)`

C

`(1)/(2)`

D

`(1)/(8)`

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

The instantaneous values of alternating current and voltages in a circuit are given as [i=(1)/(sqrt(2))sin(100 pi t) ampere e=(1)/(sqrt(2))sin(100 pi t+pi/3) Volt.The average power in Watts consumed in the circuit is

The instatanteous value of alternating current and voltages in a circuit are given as i=1/(sqrt(2))sin(100pit) ampere e=1/(sqrt(2)) sin (100pit+pi//3) volt The average power in watts consumed in the circuit is

The instantaneous values of current and voltage in an AC circuit are given by l = 6sin ( 100 pi t + pi / 4) V = 5sin ( 100 pi t - pi / 4 ), then

In an a.c. circuit, voltage and current are given by : V = 100 sin (100 t) V and I = 100 sin (100 t (pi)/3) mA respectively. The average power dissipated in one cycle is :

The instantaneous value of current in an ac circuit is I = 2 sin (100pit + pi//3) A . The current at the beginning (t = 0) will be –

Voltage and current in an ac circuit are given by V=5 sin (100 pi t-pi/6) and I=4 sin (100 pi t+pi/6)

In an A.C. circuit the instantaneous values of e.m.f. And current are given by E=100 sin (200 t) volt and I=2 sin(200 t +(pi)/3) ampere. The average power consumed is the circuit is

In LCR series circuit , an alternating emf e and current i are given by the equations e = sin (100 t) volt . i=100 sin (100 t + (pi)/(3)) mA The average power dissipated in the circuit will be