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JEE Main201815 Apr 2018Evening ShiftPhysicsCapacitanceActual

A capacitor C ₁ is charged up to a voltage V =60 ~V by connecting it to battery B through switch (1), Now C ₁ is disconnected from battery and connected to a circuit consisting of two uncharged capacitors C ₂=3.0 F and C ₃=6.0 F through a switch (2) as shown in the figure. The sum of final charges on C ₂ and C ₃ is:

Options

  1. A36 C
  2. B20 C
  3. C54 C
  4. D40 C

Correct answer

A. 36 C

Step-by-step solution

The sum of final charges on C ₂ and C ₃ is 36 C .

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