Doubt from AC

help me in calculating overall power factor of circuit , anyone

@akash_2020 @Ankith_2020


That is all I have done.
May be there is a lot better approach to deal with parallel circuits .

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Bro can we do like this ? Then find tan theta then cos theta then differentiate

I m not getting what you have done..

Yes it will work


No need for differentiation

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Thanks bro , i made calculation mistake as taking R as 6 and it was getting very long ..

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@Ankith_2020 Bro i have used complex method

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