MHT CET Physics question

Physics Electrostatic Potential and Capacitance MHT CET

Two identical capacitors are joined in parallel charged to a potential V, separated and they are connected in series i.e. positive plate of one is connected to negative of the other Which of the following is true?

(A)The charges on the free plates connected together are destroyed
(B)The charges on the free plates are enhanced
(C)The energy stored in the system enhanced
(D)The P.D. between the free plates is 2 VCorrect

Answer: (D)

Solution

Each capacitor keeps its charge and its p.d. because the free plates are isolated, so the p.d. between the free plates is

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Question ID VK-075399