Q.
Some A.C. circuits along with a few readings are given in column-I and in column-II some quantities are given. Match the entries of column-I with the correct entries of column-II.
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a
P Q R S 1, 3 1, 3 1, 4 1, 2
b
P Q R S 2 1, 2, 3, 4 3 1, 2, 3, 4
c
P Q R S 1 2 3 4
d
P Q R S 1, 3 1, 2, 3 3, 4 2, 4
answer is B.
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Detailed Solution
P:VR=250V Q:VR2+VL2=(158.1)2VL−VC2=(200)2VR2+VL−VC2=(250)2 ⇒VR=150V;VL=50V;VC=250V or 300VP.F=VRVS=0.6 R:VC=250V;VR=50V;VL=245VP⋅F=VRVS=0.2 S:VR=150V; VC2+VR2=(291.6)2VL2+VR2=(158.1)2⇒VL=50V,VC=250VPF=VRVS=0.6
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