A capacitor of capacitance `5muF` is charged with `5muC` charge its capacitance is changed to `2muF` by some external agent. The work done by external agent is
In previous problem, find the work done by external agent.
A capacitor of capacitance 15 muF has a charge 30 muC and stored energy is W. If charge increased to 60 muC the energy stored will be.
A charged capacitor of capacitance 40 muF is discharged through a 50Omega resistance. Determine the time constant of the circuit.
A capacitor of capacitance 500muF is charged at the rate of 100muC//s . The time in which the potential difference will become 20V, is :
One plate of a capacitor of capacitance 2muF has total charge +10muC and its other plate has total charge +40mUC . The potential difference between the plates is (in Volt).
A capacitor of capacitance 5muF is charged to a potential difference 200 V and then allowed to dischage through a resistance 1kOmega . The cahrge on the capacitor at the instant the current through the resistance is 100 Ma, is (in muC ):
