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JEE Advanced2007PhysicsCapacitanceActual

A circuit is connected as shown in the figure with the switch S open. When the switch is closed, the total amount of charge that flows from Y to X is

Options

  1. Azero
  2. B54 C
  3. C27 C
  4. D81 C

Correct answer

C. 27 C

Step-by-step solution

From Y to X charge flows to plates a and b . (q₀+q_b )_i=0, (q₀+q_b )_f=27 C 27 C charge flows from Y to X . Correct option is (c)

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