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 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 of capacitance C is charged to a potential difference V_(0) . The charged battery is disconnected and the capacitor is connected to a capacitor of unknown capacitance C_(x) . The potential difference across the combination is V. The value of C_(x) should be

An ideal capacitor of capacitance 0.2muF is charged to a potential difference of 10V . The charging battery is than disconnected. The capacitor is then connected to an ideal inductor of self inductance 0.5mH . The current at a time when the potential difference across the capacitor is 5V is :

A capacitor C is charged to a potential V by a battery. It is then disconnected from the battery and again connected with its polarity reversed to the battery

A 100muF capacitor is charged to 100 V . After the charging, battery is disconnected. The capacitor is then connected in parallel to another capacitor. The final voltage is 20 V . Calculate the capacity of second capacitor.

A 10 muF capacitor is charged to a potential difference of 50 V and is connected to another uncharged capacitor in parallel. Now the common potential difference becomes 20 volt. The capacitance of second capacitor is

A 10 muF capacitor is charged to a potential difference of 50 V and is connected to another uncharged capacitor in parallel. Now the common potential difference becomes 20 volt. The capacitance of second capacitor is

A capacitor of 0.75 muF is charged to a voltage of 16 V. What is the magnitude of the charge on each plate of the capacitor ?

A capacitor of capacitance 10 mu F is charged to a potential 50 V with a battery. The battery is now disconnected and an additional charge 200 mu C is given to the positive plate of the capacitor. The potential difference across the capacitor will be.

A capacitor of 5 muF is charged to a potential of 100 V . Now, this charged capacitor is connected to a battery of 100 V with the posiitive terminal of the battery connected to to the negative plate of the capacitor . For the given situation, mark the correct statement(s).