An isolated sphere has a capacitance of 50pF
How much charge should be placed on it to raise its potential to `10^4V` ?

An isolated sphere has a capacitance of 50pF Calculate its radius

A metal sphere has a diameter of 1m. What will be the amount of charge required to rate its potential by 2.7 xx 10^(6)V ?

The capacitance of a spherical conductor is 1 muF and the charge on it is -10C. What is its potential in air?

The potential of a conductor having 40 esu of capacitance is raised by 10 esu. What is the charge on the conductor ? How much charge is to be given to another conductor, having capacitance three times that of the first conductor, to raise its potential three times that of the first one?

A hollow metal sphere of radius 5 cm is charged such that potential on its surface is 10V. What is the potential at the center of the sphere?

The capacitance of a conducting sphere is 10muF . It is charged with -2xx10^(-6)C . What is its potential in air?

A small sphere, having a charge of 10^(-6)C and a mass of 2g, moved from a point A to a point B. Potential at A is 36000 V and that at B is zero. If the velocity of the sphere at B be 10 m//s , what was its velocity at A (in m cdot s^(-1) ) ?

Two identical capacitors of 12 pF each are connected in series across a battery of 50 V. How much electrostatic energy is stored in the combination ? If these were connected in parallel across the same battery, how much energy will be stored in the combination now? Also find the charge drawn from the battery in each case.