Electrostatics MCQs with Answers

AdminApril 7, 2024

0 15 1 minute read

Welcome to the Electrostatics MCQs with Answers. In this post, we have shared Electrostatics Online Test for different competitive exams. Find practice Electrostatics Practice Questions with answers in Physics Tests exams here. Each question offers a chance to enhance your knowledge regarding Electrostatics.

Electrostatics Online Quiz

By presenting 3 options to choose from, Electrostatics Quiz which cover a wide range of topics and levels of difficulty, making them adaptable to various learning objectives and preferences. You will have to read all the given answers of Electrostatics Questions and Answers and click over the correct answer.

Test Name: Electrostatics MCQ Quiz Practice
Type: Quiz Test
Total Questions: 40
Total Marks: 40
Time: 40 minutes

Note: Answer of the questions will change randomly each time you start the test. Practice each quiz test at least 3 times if you want to secure High Marks. Once you are finished, click the View Results button. If any answer looks wrong to you in Quizzes. simply click on question and comment below that question. so that we can update the answer in the quiz section.

Electrostatics

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1 / 40

What is the electric field intensity inside a conductor in electrostatic equilibrium?

a) zero

c) variable

b) non-zero but constant

2 / 40

The electric field inside a charged conductor is ________.

a) zero

b) non-zero but constant

c) variable

3 / 40

Which of the following is a scalar quantity in electrostatics?

a) Electric potential

c) Electric flux

b) Electric field

4 / 40

What is the direction of the electric field inside a parallel plate capacitor?

c) from positive to positive

b) from negative to positive

a) from positive to negative

5 / 40

What happens to the electric field strength between two oppositely charged parallel plates if the separation distance is halved?

a) It doubles

b) It halves

c) It remains constant

6 / 40

What is the force experienced by a charge of 2 C in an electric field of 4 N/C?

c) 0 N

b) 2 N

a) 8 N

7 / 40

What is the electric field intensity due to a point charge at a distance r from it?

a) E = kq/r^2

b) E = kq/r

c) E = kq

8 / 40

Which type of material allows electric charges to move freely?

b) Insulator

a) Conductor

c) Semiconductor

9 / 40

What is the formula for the energy stored in a capacitor?

c) U = QV

a) U = 1/2CV^2

b) U = 1/2Q^2/C

10 / 40

Which of the following is true about electric potential energy?

b) It is always negative

a) It is always positive

c) It can be positive or negative

11 / 40

The electric potential at a point due to a negatively charged object is ________.

b) positive

a) negative

c) zero

12 / 40

What is the SI unit of electric charge?

a) Coulomb (C)

c) Ohm (Ω)

b) Volt (V)

13 / 40

The work done in moving a charge between two points in an electric field depends on ________.

b) the distance between the points

c) both the magnitude of the charge and the distance between the points

a) the magnitude of the charge

14 / 40

What happens to the force between two point charges if the distance between them is doubled?

a) It decreases by a factor of 2

c) It decreases by a factor of 8

b) It decreases by a factor of 4

15 / 40

What happens to the energy stored in a capacitor if the capacitance is doubled?

c) It remains constant

a) It doubles

b) It halves

16 / 40

The force between two point charges is directly proportional to the product of their charges and ________.

a) inversely proportional to the square of the distance

b) directly proportional to the square of the distance

c) inversely proportional to the cube of the distance

17 / 40

The electric field lines inside a charged conductor are ________.

b) parallel to the surface

c) non-existent

a) perpendicular to the surface

18 / 40

What is the formula for the electric potential difference between two points in an electric field?

a) ΔV = Ed

c) ΔV = kq/r

b) ΔV = Q/C

19 / 40

What is the net electric flux through a closed surface surrounding a charge?

b) zero

a) proportional to the magnitude of the charge

c) infinite

20 / 40

What is the relationship between the potential difference and the electric field in a uniform field region?

c) E = -ΔV/A

a) E = -ΔV/d

b) E = -ΔV

21 / 40

The electric field lines outside a charged conductor are ________.

a) perpendicular to the surface

c) non-existent

b) parallel to the surface

22 / 40

Which of the following materials is a good conductor of electricity?

c) Rubber

b) Glass

a) Copper

23 / 40

What is the relationship between the electric field and the electric potential in a uniform field region?

a) E = -ΔV/d

b) E = -ΔV

c) E = -ΔV/A

24 / 40

What happens to the electric potential at a point if work is done in bringing a positive charge from infinity to that point?

c) It remains constant

b) It decreases

a) It increases

25 / 40

Which material is commonly used as a dielectric in capacitors?

c) Mica

b) Air

a) Glass

26 / 40

What is the capacitance of a capacitor with a charge of 4 C and a potential difference of 2 V?

b) 6 F

a) 2 F

c) 8 F

27 / 40

What happens to the electric field between the plates of a charged capacitor if the area of the plates is increased?

a) It decreases

c) It remains constant

b) It increases

28 / 40

Which of the following is a scalar quantity in electrostatics?

c) Electric flux

a) Electric potential

b) Electric field

29 / 40

What is the electric potential at a point in an electric field?

c) the energy stored in a unit positive charge at that point

a) the work done in bringing a unit positive charge from infinity to that point

b) the force experienced by a unit positive charge at that point

30 / 40

Coulomb's law describes the force between two ________ charges.

b) magnetic

a) electric

c) gravitational

31 / 40

The electric potential at a point due to a positive charge is ________.

a) positive

c) zero

b) negative

32 / 40

What is the direction of the electric field at a point due to a positive charge?

a) away from the charge

c) parallel to the charge

b) towards the charge

33 / 40

What happens to the capacitance of a parallel plate capacitor if the distance between the plates is increased?

c) It remains constant

b) It decreases

a) It increases

34 / 40

What is the formula for the electric field intensity due to a uniformly charged sphere at a distance r from its center?

c) E = kq

b) E = kq/r

a) E = kq/r^2

35 / 40

The unit of electric flux is ________.

c) V/m

b) C/m^2

a) Nm^2/C

36 / 40

The electric potential difference between two points in an electric field is measured in ________.

c) Ohms (Ω)

a) Volts (V)

b) Ampere (A)

37 / 40

What is the direction of the force experienced by a negative charge in an electric field?

c) perpendicular to the field

b) along the field

a) opposite to the field

38 / 40

What is the formula for the electric field intensity due to an infinite line of charge?

a) E = λ/2πε₀r

b) E = λ/4πε₀r

c) E = λ/πε₀r

39 / 40

Which law states that the electric flux through a closed surface is equal to the total charge enclosed by the surface divided by the permittivity of free space?

c) Faraday's law

a) Gauss's law

b) Coulomb's law

40 / 40

What is the formula for the capacitance of a parallel plate capacitor?

a) C = ε0A/d

c) C = Q/d

b) C = Q/V

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AdminApril 7, 2024

0 15 1 minute read

Electrostatics MCQs with Answers

Electrostatics Online Quiz

Download Certificate of Quiz Electrostatics

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Electrostatics Online Quiz

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