Home Physics Electrostatics Potential & Capacitance All Topic Question for Revision Test A parallel plate capacitor of capacitance C …
Physics Electrostatics Potential & Capacitance All Topic Question for Revision Test MCQ (Single Correct)

A parallel plate capacitor of capacitance C is connected to a battery and is charged to a potential difference V. Another capacitor of capacitance 2C is connected to another battery and is charged to potential difference 2V. The charging batteries are now disconnected and the capacitors are connected in parallel to each other in such a way that the positive terminal of one is connected to the negative terminal of the other. The final energy of the configuration is

A
zero
B

C
D

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Text Solution

Verified by Experts
The correct answer is:
C

Charge on first capacitor

Charge on second capacitor
Total charge on both capacitors
Common potential on them
Energy

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