Electrostatics ...

For a charged conductor of arbitrary shape, inside the conductor

An equipotential surface is a surface ______.

A variable capacitor and an electroscope are connected in parallel to a battery. The reading of the electroscope would be decreased by_______

A 2μF capacitor C1 is charged to a voltage 100 V and a 4 μF capacitor C2 is charged to a voltage 50 V. The capacitors are then connected in parallel. What is the loss of energy due to parallel connection?

If the potential difference between the plates of a capacitor is increased by 0.1%, the energy stored in the capacitor increases by nearly:

If the diameter of earth is 128 x 10² km, then its capacitance will be:

If a charge moves in an electrical field:

If the charge on a capacitor is increased by 2 coulomb, the energy stored in it increases by 21%. The original charge on the capacitor (in coulomb) is:

In series combination of capacitors, potential drops across the individual capacitors are equal to_______

A capacitor of capacitance C is fully charged by a 200 V supply. It is then discharged through a small coil of resistance wire embedded in a thermally insulated block of specific heat 2.5×10²Jkg⁻¹K⁻¹ and of mass 0.1 kg. If the temperature of the block rises by 0.4 K, what is the value of C?

64 water drops having equal charges combine to form one bigger drop. The capacitance of the bigger drop, as compared to that of smaller drop will be:

An electrolytic capacitor is marked 8 μF, 220 V. It can be used in a circuit where the p.d. across the capacitor may be:

The capacitance of a parallel plate capacitor is 5 μF. When a glass slab of thickness equal to the separation between the plates is introduced between the plates, the potential difference reduces to 1/8 of the original value. The dielectric constant of glass is

For a parallel plate capacitor ______________ possible potential difference between the capacitor plates.

Which of the following is true about equipotential lines?

In electrolytic capacitors positive terminal is ________

If a positive charge moves opposite to the direction of the electric field :

Submarine cables act as __________

When 2 charged conductors are connected by a wire,

Electrostatic shielding is based on the _______

Two metallic spheres of radii 1 cm and 3 cm are given charges of (-1 x 10^-2 C) and 5 x 10^-2 C , respectively. If these are connected by a conducting wire, the final charge on the bigger sphere is:

Consider the situation shown in the figure. The capacitor A has a charge q on it whereas B is uncharged. The charge appearing on the capacitor B a long time after the switch is closed is:

Three capacitors, each of capacitance C = 3 mF, are connected as shown in the figure. The equivalent capacitance between points P and S is ?

When two capacitors are put in series, the equivalent capacitance is ________

When a capacitor is connected to a battery: