Home
Class 12
PHYSICS
If the alternating current I=I(1)cosomeg...

If the alternating current I`=I_(1)cosomegat+I_(2) sinomegat`, then the rms current is given by

A

`(I_(1)+I_(2))/(sqrt(2))`

B

`(|I_(1)+I_(2)|)/(sqrt(2))`

C

`sqrt((I_(1)^(2)+I_(2)^(2))/2)`

D

`sqrt((I_(1)^(2)+I_(2)^(2))/sqrt(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Similar Questions

Explore conceptually related problems

An alternating current is given by I = i_1 cos omegat + i_2 sin omegat . The rms current is given by

An AC is given by the equation i=i_(1)cos omegat+i_(2)sin omegat . The r.m.s. current is given by

An AC current is given as i=(2cos omega t+3sin omega t) A.The rms current is "

For an alternating current I = I_(0) cosomegat , what is the rms value and peak value of current-

RMS value of ac i=i_(1)cosomegat+i_(2)sinomegat will be –

An alternating current is given by the equation i=i_1sinomegat+i_2cosomegat . The rms current will be

In the given circuit the current I_(1) is

In a circuit an a.c. current and a d, c. current are supplied together. The expression of the instantaneous current is given as i=3+6sinomegat Then the rms value of the current is –