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Q.

In the given circuit , VC = 50 V and R=50 Ω. The values of C and VR are

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a

3.3 μF, 60 V

b

104 μF, 98 V

c

1.6 μF, 30 V

d

2 μF, 60 V

answer is B.

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Detailed Solution

VC2+VR2=V2502+VR2=V2VR2=1102−502VR=1102−502VR=160×60≃98VThen, IR=9850 A                (∴R=50Ω)Also,   I=IR=110R2+XC2⇒9850=110502+XC2Find XC and then use Xc=1ωC to find C.C=104μF
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