A capacitor of capacitance value `1 muF` is charged to 30 V and the battery is then disconnected. If it is connected across a `2 muF` capacotor, then the energy lost by the system is

A capacitor of capacitance 4 muF is fully charged to a potential difference of 12 V and then charging battery is disconnected. Charged capacitor is now connected across an inductor of self-inductance of 1.2 mH. The current in the circuit at a time when the potential difference across the capacitor is 6 V is

A capacitor of capacitance 5 muF is charged to potential of 500 V. Then it is disconnected from the battery and connected to uncharged capacitor of capacitance 3 muF . Calculate the common potential, charge on each capacitor and the loss of energy.

A 5muF capacitor is fully charged by a 12V battery and then disconnected. If it is connected now parallel to an uncharged capacitor, the voltage across it is 3V. Then the capacitance of the uncharged capacitor is

A capacitor of capacitance 4muF is charged to a potential of 100 V. it is then disconnected from the battery and connected in parallel with another capacitor C_(2) . If their common potential is 40 volts, then the value of C_(2) is

Two capacitors of capacitance 10 muF and 20 muF are charged to potential 20 V and 10 V respectively. If they are connected to share charges, then loss of energy is

A capacitor of capacitance 1/3muF is connected to a battery of 300volt and charged. Then the energy stored in capacitor is