Two identical capacitors are joined in parallel, charged to a potential V, separated and then connected in series, the positive plate of one is connected to the negative of the other. Which of the following is true?
The charges on the free plated connected together are destroyed.
The energy stored in the system increases.
The potential difference between the free plates is 2 V.
The potential difference remains constant.
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Correct option is C)
When the two capacitors charged to same potential are connected in series, then total potential difference V′=V1+V2=V+V=2V
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