Answer / abhimanyu sirohi

the formula of ac powr is given as
P=VI (cos fi)
(cos fi) being the power factor here
now for keeping the constant power in the power system..they'll have to generate more voltage or current for compensating the loss due to low power factor. this is the reason why industries or factories wid low power factor r penalised.

Answer / hemanthrokkam

technical

help!!!! i bought a new house 2 yrs ago,ive just had 2 new lights fitted,when i boil the kettle,maybe 2 times in succession the safety light switch trips out,it dosnt do it straight away but it seems to do it when the kettle boils!!!!! sounds very odd to me

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