Electrostatic Potential and Capacitance

Electrostatic Potential and Capacitance

These MCQs are intended for checking your Physics subject, Chapter Electrostatic Potential and Capacitance knowledge.

Two capacitors of capacitance 6 µF and 4 µF are put in series across a 120 V battery. What is the potential difference across the 4 µF capacitor ?

A capacitor is connected to a cell of emf E having some internal resistance r, the potential across the:

The P.E. of an electric dipole is maximum when it makes an angle θ with electric field. The value of θ is :

The dimensions of fall of potential per unit distance are given by:

In which of the following forms is the energy stored in a capacitor?

Twenty seven drops of mercury are charged simultaneously to the same potential of 10 volts. What will be potential if all the charged drops are made to combine to form one large drop ?

A bird sitting on a high power line:

The capacitance of a capacitor will decrease if we introduce a slab of:

The capacitance of earth, viewed as a spherical conductor of radius 6408 km is:

Which of the following is blocked by a capacitor ?

The amount of work required to increase the distance between -6µC and 4µC from 6 cm to 18 cm will be :

An electron initially at rest is accelerated through a potential difference of one volt. The energy gained by electron is:

Two conducting spheres of radii r1 and r2 are equally charged. The ratio of their potential is

Choose the SI unit of electric potential energy :

Two copper spheres of the same radius, one solid and the other hollow, are charged to the same potential. Which will have more charge?

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