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An AC is given by the equation i=i(1)cos...

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

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
C
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