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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

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The correct Answer is:
D
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