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Electrostatic Potential and Capacitance

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Electrostatics

Electric Charges and Fields
Electrostatic Potential and Capacitance
  1. A capacitor C1 is charged to a potential difference V. The charging battery is then removed and the capacitor is connected to an uncharged capacitor C2. The potential difference across the combination is
    1. VC1
      (C1 + C2)
    2. V1 +
      C2
      C1
    3. V1 +
      C1
      C2
    4. VC2
      (C1 + C2)
Correct Option: A

Charge Q = C1 V ​
Total capacity of combination (parallel) ​C = C1+ C2​

P.D. =
Q
 =
C1V
CC1 + C2


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