Two identical capacitors, have the same capacitance C. One of them is charged to potential 
and the other to 
. The negative ends of the capacitors are connected together. When the positive ends are also connected, the decrease in energy of the combined system is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Initial energy of the system
When the capacitors are joined, common potential 
Final energy of the system
Decrease in energy = 
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