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In an a. c circuit R=4Omega,z=5Omega,V(r...

In an a. c circuit `R=4Omega,z=5Omega,V_(rms)=200VandI_(rms)=1.5A` calculate the average power consumed over a full cycle.

Text Solution

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`P_("average")=Vrms.Irms.cos theta`
`=V_(rms).I_(rms).(R)/(z)`
`=200xx1.5xx(4)/(5)`
`P_("average")=240W.`
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