A capacitor of unknown capacitance is connected across a battery of V volts . The charge stored in it is
360μC. When potential across the capacitor is reduced by 120 V, the charge stored in it becomes
120μC.
Calculate:
(i) The potential V and the unknown capacitance C.
(ii) What will be the charge stored in the capacitor, if the voltage applied had increased by 120 V?
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