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In an AC circuit , underset(o)(V) , unde...

In an AC circuit , `underset(o)(V)` , `underset(o)(I)` and cos`theta` are voltage amplitude , current amplitude and power factor respectively, the power consumption is

A

`(1)/(2) V_(0)I_(0) costheta`

B

`(1//sqrt2) V_(0)l_(0). Costheta`

C

`V_(o)l_(o)costhetsa`

D

`(1//sqrt2) V_(0)l_(0) sintheta`

Text Solution

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The correct Answer is:
A
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