defence exam BSF Head Constable (RO/RM) Mock Test 2023 Physics Capacitance Capacitors in Parallel and in Series
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?
1
The charges on the free plated connected together are destroyed.
2
The energy stored in this system increases.
3
The potential difference between the free plates is 2V.
4
The potential difference remains constant.