A capacitor `(C=50 muF)` is charged to a potential difference of `20V`. The charging battery is disconnected and the capacitor is connected to another cell of emf `10V` with the positive plate of capacitor joined with the positive terminal of cell.
(a) find charge flown through `10V` cell.
(b) is work done by the cell ot is it done on the cell? find its magnitude.
(c) find the heat developed in connecting wires.

A capacitor having a capacitance of 200 mu F is charged to a potential difference of 20V. The charging battery is disconnected and the capacitor is connected to another battery of emf 10V with the positive plate of the capacitor joined with the positive terminal of the battery. (a) Find the charges on the capacitor before and after the reconnection in steady state. (b) Find the net charge flown through the 10 V battery Is work done by the battery or is it done on the battery? Find its magnitude. (d) Find the decrease in electrostatic field energy. (e) Find the heat developed during the flow of charge after reconnection .

A capacitor having a capacitance of 100muF is charged to a potential difference of 24V . The charging battery is disconnected and the capacitor is connected to another battery of emf 12V with the positive plate of the capacitor joined with the positive terminal of the battery . (a ) Find the charges on the capacitor before and after the reconnection . (b ) Find the charge flown through the 12V battery . (c ) Is work done by the battery or is it done on the battery ? find its magnitude . (d ) Find the decrease in electrostatic field energy . (e ) Find the best developed during the flow of charge after reconnection.

A capacitor having a capacitance of 100muF is charged to a potential difference of 24V . The charging battery is disconnected and the capacitor is connected to another battery of emf 12V with the positive plate of the capacitor joined with the positive terminal of the battery . (a ) Find the charges on the capacitor before and after the reconnection . (b ) Find the charge flown through the 12V battery . (c ) Is work done by the battery or is it done on the battery ? find its magnitude . (d ) Find the decrease in electrostatic field energy . (e ) Find the best developed during the flow of charge after reconnection.

A capacitor having a capacitance of 100muF is chargeed to a potential difference of 24V . The charging bettery is disonnected and the capacitor is connected to another bettery of emf 12V with the positive plate of the capacitor joined with the positive terminal of the bettery . (a ) Find the charges on the capacitor before and after the reconnection . (b ) Find the charge flown through the 12V bettery . (c ) Is work done by the bettery or is it done on the bettery ? find its magnitude . (d ) Find the decrease is electrostatic field energy . (e ) Find the best developed during the flow of charge after reconnection.

A capacitor C is charged to a potential difference V and battery is disconnected. Now if the capacitor plates are brough close slowely by some distance: