Q.
In the adjoining figure, four capacitors are shown with their respective capacities and the P.D. applied. The charge and the P.D. across the 4μF capacitor will be.
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a
600μC;150 volts
b
300μC;75 volts
c
800μC;200 volts
d
580μC;145 volts
answer is D.
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Detailed Solution
Total capacitance 1C=120+18+112⇒C=12031μFTotal charge Q=CV=12031×300=1161μCCharge, through 4μF condenser =11612=580μCand potential difference across it =5804=145 V.
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