A spherical capacitor is connected to another spherical capacitor of radius twice that of the former. What is the common potential ? How the charges are distributed in the two capacitors ?

n identical capacitors are connected in series. What is their equivalent capacitance?

A capacitor of 20 µF and charged to 500 V is connected in parallel with another capacitor of 10µF charged to 200V. Find the common potential.

If a charged capacitor is connected in parallel to a chargeless capacitor of double capacitance, what will be the total loss of energy ?

A 100pF capacitor is charged by a potential difference of 100V. What is the amount of charge storeD? What is the electrostatic energy stored in the capacitor?

A charged capacitor is connected to an inductor at an instant of time t=0.If the capacitor and the inductor are taken to be pure, write down the equation of effective potential difference across the combination at any instant of time t and solve it for instantaneous current through I the combination.Explain brefly the exchange of electric and magnetic energy between the capacitor and the inductor.