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COMEDK2018PhysicsCapacitance

The total energy stored in the condenser system shown in the figure will be

Options

  1. A2 j i j
  2. B4 j
  3. C8 j
  4. D16 J

Correct answer

C. 8 j

Step-by-step solution

The given circuit diagram is redrawn as Equivalent capacitance is given as C_ eq = C₂ C₃ C₂+C₃ +C₁= 6 3 6+3 +2=4 F Total energy stored in the condenser system, aligned U &= 1 2 C_ e q V²= 1 2 4 10⁻⁶ 2² &=8 10⁻⁶ ~J =8 J J aligned

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