Welcome to your Chapter 2 Electrostatic Potential and Capacitance MCQs

Which of the following is blocked by a capacitor ?
Two copper spheres of the same radius, one solid and the other hollow, are charged to the same potential. Which will have more charge?
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 ?
Two conducting spheres of radii r1 and r2 are equally charged. The ratio of their potential is
The amount of work required to increase the distance between -6µC and 4µC from 6 cm to 18 cm will be :
A parallel plate air capacitor is charged to a potential difference of V volts. After disconnecting the charging battery the distance between the plates of the capacitor is increased using an insulating handle. As a result the potential difference between the plates
Two spherical conductors each of capacity C are charged to potential V and -V. These are then connected by means of a fine wire. The loss of energy is
Two small spheres each carrying a charge q are placed r metre apart. If one of the spheres is taken around the other one in a circular path of radius r, the work done will be equal to
The electric potential V at any point O (x, y, z all in metres) in space is given by V = 4x² volt. The electric field at the point (1 m, 0, 2 m) in volt/metre is
A hollow metal sphere of radius 5 cm is charged so that the potential on its surface is 10 V. The potential at the centre of the sphere is
The electrostatic force between the metal plates of an isolated parallel plate capacitor C having a charge Q and area A, is
A capacitor is charged by a battery. The battery is removed and another identical uncharged capacitor is connected in parallel. The total electrostatic energy of resulting system
A conductor with a positive charge
Figure shows the electric lines of force emerging from a charged body. If the electric field at A and B are EA and EB respectively and if the displacement between A and B is r then
Physics MCQs for Class 12 with Answers Chapter 2 Electrostatic Potential and Capacitance 4
64 drops each having the capacity C and potential V are combined to form a big drop. If the charge on the small drop is q, then the charge on the big drop will be
Three charges Q, +q and +q are placed at the vertices of an equilateral triangle of side l as shown in the figure. If the net electrostatic energy of the system is zero, then Q is equal to
Physics MCQs for Class 12 with Answers Chapter 2 Electrostatic Potential and Capacitance 5
Two metal plates form a parallel plate capacitor. The distance between the plates is d. A metal sheet of thickness d/2 and of the same area is introduced between the plates. What is the ratio of the capacitance in the two cases?
A capacitor of 4 pF is connected as shown in the circuit. The internal resistance of the battery is 0.5 Q. The amount of charge on the capacitor plates will be
Physics MCQs for Class 12 with Answers Chapter 2 Electrostatic Potential and Capacitance 6
Which of the following statement is true?
Consider a uniform electric field in the z-direction. The potential is a constant

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