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Current in an AC circuit is given by i =...

Current in an `AC` circuit is given by `i = 3 sin omegat + 4 cos omegat`, then

A

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

B

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

C

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

D

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

Text Solution

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The correct Answer is:
C
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