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Wednesday, April 25, 2018

Pav=Vrms Irms R/z के लिए L-C-R परिपथ

 Pav=Vrms Irms R/z के  लिए  L-C-R परिपथ 







Alternating वोल्टेज  V=V0 Sinwt 


Alternating धारा  I=I 0 sin (wt- Ø)
P=VI


P=V0Sin wt I0 Sin (wt-Ø)


P=V0I0 Sin wt Sin (wt-Ø)


P= V0I0 /2 x 2 Sin wt  Sin(wt-Ø)
 [2Sin a Sin b=cos (a-b)-cos(a+b)]
P= V0I0/2 [ Cos (wt-wt -Ø) -Cos ( wt+wtØ)
P= V0I0/2 [Cos Ø - Cos (2wt-Ø)]


Pav=V0I0/2Cos  Ø -0]
Pav=V0I0/2 Cos Ø
Pav=Vrms Irms  cos Ø 

L-C-R परिपथ 


WL-1/Wc
tan Ø =WL-1/Wc/RCos Ø=R/()   )2cosØ =R/Z


Pav=Vrms Irms R/z

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