ELECTROSTATIC POTENTIAL AND CAPACITANCE Set 2

Two condensers, one of capacity and the other of capacity , are connected to a volt battery , as shown. The work done in charging fully both the condensers is

A 20 capacitor is connected to 45 V battery through a circuit whose resistance is 2000 What is the final charge on the capacitor?

Two insulating plates are both uniformly charged in such a way that the potential difference between them is V. (, plate 2 is at a higher potential). The plates are separated by m and can be treated as infinitely large. An electron is released from rest on the inner surface of plate 1. What is its speed when it hits plate 2? (e=1.6

A dielectric of dielectric constant is introduced such that half of its area of a capacitor of capacitance is occupied by it. The new capacity is

A metal foil of negligible thickness is introduced between two plates of a capacitor at the centre. The capacitance of capacitor will be

The capacitance of an isolated conducting sphere of radius is proportional to

The potential energy of system of two equal negative point charges of 2μC each held 1m apart in air is (k=9× 10⁹ SI unit)

Two conducting spheres A and B of radius and b respectively are at the same potential. The ratio of the surface charge densities of A and B is

Consider the arrangement of three metal plates A, B, and C of equal surface area and separation d as shown in figure. The energy stored in the arrangement, when the plates are fully charged, is

Three capacitors are connected as shown in the figure to a battery of volt. If the capacitor breaks down electrically the change in total charge on the combination of capacitors is