MCQ’S ON ELECTRO STATISTICS
Q- What is the minimum charge on a particle?
(a) 1 Coulomb
(b) 1.6 x 10-19 Coulomb
(c) 3.2 x 10-19 Coulomb
(d) 6.6 x 10-19 Coulomb
Answer: (b) 1.6 x 10-19 Coulomb
Q- For a hollow spherical shell, potential, V changes with respect to distance, r from the centre. Which graph from the following represents this?
Electrostatics 2
Answer: (b)
Q- What is the graphical representation of an electric field due to the uniformly charged sphere of radius R which is a function of distance from the centre?
Electrostatics 3
Answer: (a)
Q- The capacity of parallel plate condenser is dependent on the
(a) The separation between the plates
(b) The metal used for the construction
(c) The thickness of the plate
(d) The potential applied across the plates
Answer: (a) The separation between the plates
Q- What does an electric dipole experience when it is kept in the non-uniform electric field?
(a) Only a force
(b) Only torque
(c) Force and torque both
(d) Neither force nor torque
Answer: (c) Force and torque both
Q- The capacitance of the capacitor is independent of
(a) The charges present on the plate
(b) The distance of separation between the plates
(c) The shape of the plates
(d) The size of the plates
Answer: (d) The size of the plates
Q- Name the law that states the force between electric charges
(a) Ohm’s law
(b) Coulomb’s law
(c) Faraday’s law
(d) Ampere’s law
Answer: (b) Coulomb’s law
Q- What happens to the force acting between the charged particles, if the distance between these charged particles is halved?
(a) It increases by four times
(b) It gets doubled
(c) It becomes half
(d) It reduces by one-fourth
Answer: (a) It increases by four times
Q- What is the electric potential of the points A, B, and C which are in a uniform electric field?
Electrostatics 1
(a) The electric field is the same at all three points A, B, and C
(b) Maximum at A
(c) Maximum at B
(d) Maximum at C
Answer: (c) Maximum at B