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))/(sqrt2)`

B

`(|i_(1)+i_(2)|)/(sqrt2)`

C

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

D

`(sqrt(i_(1)^(2)+i_(2)^(2)))/(sqrt2)`

Text Solution

Verified by Experts

The correct Answer is:
D
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • ALTERNATING CURRENT

    AAKASH SERIES|Exercise EXERCISE - II|8 Videos

  • APPENDICES ( REVISION EXERCISE )

    AAKASH SERIES|Exercise REVISION EXERCISE (MAGNETISM AND MATTER )|52 Videos

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

An alternative current is given by I = (100sqrt2 sint) A . The RMS value of current is

The rms value of an alternating current

Find the current I in the given circuit

The average value of alternating current I=I_(0) sin omegat in time interval [0, pi/omega] is

A wire carries an alternating current i=i_0sinomegat . In there an electric field in the vicinity of the wire?

The electric current in a circuit is given by I = 3 sin omegat + 4 cos omegat. The rms current is

In the circuit shown, the currents i_(1) and i_(2) are

The current I_(1) (in A) flowing through the 1Omega resistor in the given circuit is

Home
Profile