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Two parallel conducting plates of a capa...

Two parallel conducting plates of a capacitor of capacitance C containing charges Q and -2Q at a distance d apart. Find out potential difference between the plates of capacitors.

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Capacitance = C
Electric field `=(3Q)/(2A in_(0))" " ," "V=(3Qd)/(2A in_(0)) rArr V=(3Q)/(2C)`.
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