Charge of $2Q$ and $-Q$ are placed on two plates of a parallel plate capacitor. If capacitance of capacitor is $C$, potential difference between the plates is
  • A$V = \frac{Q}{C}$
  • B$V = \frac{3Q}{2C}$
  • C$V = \frac{2Q}{3C}$
  • D
    None of these
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