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. S 4 Power factor of the circuit is 0.6

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Codes: P Q R S 1, 3 1, 3 1, 4 1, 2

Codes: P Q R S 2 1, 2, 3, 4 3 1, 2, 3, 4

Codes: P Q R S 1 2 3 4

Codes: 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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