A fully charged capacitor has a capacitance 'C'. It is discharged through a small coil of resistance wire embedded in a thermally insulated block of specific heat capacity 's' and mass 'm'. If the temperature of the block is raised by 'DeltaT', the potential difference 'V' across the capacitance is

A capacitor of capacitance C is fully charged by a 200 V battery. It is then discharged through a small coil of resistnace wire embedded in a thermally insulated block of specific heat 2.5xx10^(2)Jkg^(-1)K^(-1) and of mass 0.1 kg. if the temperature of the block rises by 0.4 K, what is the value of C?

A capacitor of capacitance C has charge Q. it is connected to an identical capacitor through a resistance. The heat produced in the resistance 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 parallel plate capacitor of capacitance 1 mu F has a charge of + 2 mu C on one of the plates and a charge of + 4 mu C on the other. The potential difference developed across the capacitor is

Does the capacitance C of a capacitor increase , decrease or remain the same (a) when the charge q on it is doubled and (b) when the potential difference V across it is tripled?

Two parallel plate capacitors of capacitances C and 2C are connected in parallel and charged to a potential difference V. The battery is then disconnected and the region between the plates of the capacitor C is completely filled with a material of dielectric constant K. The potential differences across the capacitors now becomes...........

Two capacitors of capacitance 2muF and 3muF respectively are charged to potential difference 20 V and 40 V respectively. Now the capacitors are connected in series with a resistance such that the positively charged plate of one capacitor is connected to the positively charged plate of the other. The initial current through the resistance is I_(0) . The potential difference across the 2muF capacitor at the instant the current has reduced to (I_(0))/(2) is_______ V.

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