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NEET and JEE preparation | Physics Guide with Hints and Solutions | Electrostatics



India Study Solution MCQ Test Series

(Practice Questions with Hints and Solutions)

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Here is your next Test Series a set of 10 most important solved questions (Q. No. 21-30) for NEET and JEE from Electrostatics in Physics with their hints & solutions.

Click to check NEET and JEE Main Syllabus for chapter Electrostatics.

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Electrostatics  - Questions Bank with Solutions

India Study Solution Test Series – Set 3 (Q. No 21-30)

Question 21: When charge is given to a body

a. more charge accumulates at regions of small curvature

b. more charge accumulates at regions of large curvature

c. charge is distributed uniformly irrespective of curvature

d. none of the above is true


Question 22: Two equal positive charges are kept at points A and B. The electric potential at the points between A and B (excluding these points) is studied while moving from A to B. The potential

a. continuously increases

b. continuously decreases

c. increases then decreases

d. decreases then increases


Question 23: There are two metallic spheres of same radii but one is solid and the other is hollow, then:

a. solid sphere can be given more charge

b. hollow sphere can be given more charge

c. they can be charged equally (maximum)

d. none of the above


Question 24: A charge of 5C experiences a force of 5000N when it is kept in uniform electric field. What is the potential difference between two points separated by a distance of 1cm?

a. 10V

b. 250V

c. 1000V

d. 2500V


Question 25: The unit of permittivity of free space εo is

a. coulomb/newton-metre

b. coulomb2/newton-metre2

c. newton-metre2/coulomb2

d. coulomb2/(newton-metre)2


Question 26: The electric charge in uniform motion produces-

a. an electric field only

b. a magnetic field only

c. both electric and magnetic fields

d. neither electric nor magnetic fields


Question 27: A conductor has 14.4 x 10-19 C positive charge. The conductor has:

(Charge on electron = 1.6 x 10-19 C)

a. 9 electrons in excess

b. 27 electrons in short

c. 27 electrons in excess

d. 9 electrons in short


Question 28: An electric dipole is placed in a uniform electric field. The net electric force on the dipole

a. is always zero

b. depends on the orientation of the dipole

c. can never be zero

d. depends on the strength of the dipole


Question 29: A charged particle (charge q) is moving in a circle of radius R with uniform speed v. The associated magnetic moment μ is given by:

a. qvR/2

b. qvR2

c. qvr2/2

d. qvR

Question 30: The law, governing the force between electric charges is known as

a. Ampere’s law

b. Ohm’s law

c. Faraday’s law

d. Coulomb’s law


  India Study Solution - Test Series Answers


Hints and Solutions of Physics Electrostatics MCQ Test Series – Set 3 (Q. No.21–30)

Answer 21:b. Answer 22: d.

Answer 23: c

(Hint: Both the spheres can be charged equally. Because for metallic sphere either solid or hollow, the charge will raised on the sphere. Since, both spheres have same surface area, so they can hold equal maximum charge)

Answer 24: a. Answer 25: b. Answer 26: c.

Answer 27: d (Hint: As conductor has positive charge. So, there is deficiency of electrons).

Answer 28: a.

Answer 29: a

(Hint: As revolving charge is equivalent to a current,
So, - NEET and JEE preparation | Physics Guide with Hints and Solutions | Electrostatics
 Answer 30: d.

 Electrostatics: Further study

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