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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A capacitor of capacitance C is charged to a potential differece V0. The terminals of the charged capacitor are then connected to those of an uncharged capacitor of capacitance C/2. a. Compute the original charge of the system. b. Find the final potential differce across each capacitor. c. Find the final energy of the system. d. Calculate the decrease in energy when the capacitors are connected. e. Where did the ”lost” energy go?

A capacitor of capacitance C is charged to a potential differece V0. The terminals of the charged capacitor are then connected to those of an uncharged capacitor of capacitance C/2. a. Compute the original charge of the system. b. Find the final potential differce across each capacitor. c. Find the final energy of the system. d. Calculate the decrease in energy when the capacitors are connected. e. Where did the ”lost” energy go?

In which case is more work done? The plates of a plane capacitor are drawn apart keeping them connected to a bettery. Next the same plates are drawn apart from the same initial condition keeping the battery disconnected