A capacitor of capacitanceis charged to a potential difference 120 V and connected with an uncharged capacitor of capacitancein the circuit shown. The switch S is closed. After a long time, if the potential difference (in Volts) across the capacitoris 10X, then X is _______________.
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Q=10×50=500μC
Second case:
500=(C+10)×20
⇒C=15μF
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