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Two conducting spheres of radii R 1 and R 2 having charges Q 1 and Q 2 respectively are placed very far apart from each other. Now they are connected to each other by a connecting wire, then there is

Options

  1. Ano change in the energy of the system
  2. Ban increase in the energy of the system
  3. Calways a decrease in the energy of the system
  4. Da decrease in energy of the system unless q 1 R 2 = q 2 R 1

Correct answer

D. a decrease in energy of the system unless q 1 R 2 = q 2 R 1

Step-by-step solution

Δ U = 1 2 C 1 C 2 C 1 + C 2 V 1 – V 2 2 Δ U = 0 , If V 1 = V 2 or k q 1 R 1 = k q 2 R 2 or q 1 R 2 = q 2 R 1

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