Test: Coulomb's Law & Its Applications

Question 1

Two insulated charged copper spheres A and B have their centers separated by a distance of 50 cm. What is the mutual force of electrostatic repulsion if the charge on each is 6.5×10⁻⁷ C? The radii of A and B are negligible compared to the distance of separation.

Accepted Answer

1.5×10⁻²N

Answer

4.5×10⁻²N

Answer

2.5×10⁻²N

Answer

3.5×10⁻²N

Question 2

Two charges 1C and -4C exists in air. What is the direction of force?

Accepted Answer

From 1C to -4C

Answer

Away from 1C

Answer

Away from -4C

Answer

From -4C to 1C

Question 3

Ratio of the permittivity of medium to the permittivity of free space is known as

Accepted Answer

Dielectric constant

Answer

Dielectric ratio

Answer

Dielectric permittivity

Answer

Dielectric medium

Question 4

An infinite number of charges, each equal to 4C, are placed along the x-axis at x = 1 m, x = 2 m, x = 4 m, x = 8 m and so on. The total force on a charge of 1C placed at the origin is

Accepted Answer

4.8 × 10¹⁰ N

Answer

48 × 10⁸ N

Answer

4.8 × 10⁹ N

Answer

48 × 10⁴ N

Question 5

Two point charges 3μC and + 7μC repel each other with a force of 12 N. If each is given an additional charge -5 μC, what will be the new force between them?

Accepted Answer

2.28 N attractive

Answer

2.28 N repulsive

Answer

5.28 N repulsive

Answer

5.28 N attractive

Question 6

Electrostatic force is

Accepted Answer

Force exerted by one charge on another when the two are at rest in a given frame of reference

Answer

Force exerted by an electron on a neutron

Answer

Force exerted by one charge on another when the two are moving in a given frame of reference

Answer

Force exerted by one charge on another when the two are accelerating in a given frame of reference

Question 7

Two positive charges

Accepted Answer

Repel each other

Answer

Attract each other at times and repel at other times

Answer

Attract each other

Answer

Always attract each other

Question 8

Under the influence of the coulomb field of charge +Q, a charge −q is moving around it in an elliptical orbit. Find out the correct statement(s).

Accepted Answer

The angular momentum of the charge −q is constant

Answer

The linear momentum of the charge −q is constant

Answer

The angular velocity of the charge −q is constant

Answer

The linear speed of the charge −q is constant

Question 9

The force between two charges is 120 N. If the distance between the charges is doubled, the force will be

Accepted Answer

30 N

Answer

60 N

Answer

40 N

Answer

15 N

Question 10

When the distance between two charged particle is halved, the force between them becomes

Accepted Answer

Four times

Answer

One fourth

Answer

One half

Answer

Double

Coulomb's Law & Its Applications - NEET Physics Class 12 Free MCQ Test

MCQ Practice Test & Solutions: Test: Coulomb's Law & Its Applications (10 Questions)

Two insulated charged copper spheres A and B have their centers separated by a distance of 50 cm. What is the mutual force of electrostatic repulsion if the charge on each is 6.5×10⁻⁷ C? The radii of A and B are negligible compared to the distance of separation.

Two charges 1C and -4C exists in air. What is the direction of force?

Ratio of the permittivity of medium to the permittivity of free space is known as

An infinite number of charges, each equal to 4C, are placed along the x-axis at x = 1 m, x = 2 m, x = 4 m, x = 8 m and so on. The total force on a charge of 1C placed at the origin is

Two point charges 3μC and + 7μC repel each other with a force of 12 N. If each is given an additional charge -5 μC, what will be the new force between them?

Electrostatic force is

Two positive charges

Under the influence of the coulomb field of charge +Q, a charge −q is moving around it in an elliptical orbit. Find out the correct statement(s).

The force between two charges is 120 N. If the distance between the charges is doubled, the force will be

When the distance between two charged particle is halved, the force between them becomes

Physics Class 12

Physics Class 12

Top Courses for NEET

Schools

Competitive Examinations

Quick Access Links

Technical Exams

About this NEET Practice Test

Explore more NEET Study Resources

Coulomb's Law & Its Applications - NEET Physics Class 12 Free MCQ Test

MCQ Practice Test & Solutions: Test: Coulomb's Law & Its Applications (10 Questions)

Two insulated charged copper spheres A and B have their centers separated by a distance of 50 cm. What is the mutual force of electrostatic repulsion if the charge on each is 6.5×10−7 C? The radii of A and B are negligible compared to the distance of separation.

Two charges 1C and -4C exists in air. What is the direction of force?

Ratio of the permittivity of medium to the permittivity of free space is known as

An infinite number of charges, each equal to 4C, are placed along the x-axis at x = 1 m, x = 2 m, x = 4 m, x = 8 m and so on. The total force on a charge of 1C placed at the origin is

Two point charges 3μC and + 7μC repel each other with a force of 12 N. If each is given an additional charge -5 μC, what will be the new force between them?

Electrostatic force is

Two positive charges

Under the influence of the coulomb field of charge +Q, a charge −q is moving around it in an elliptical orbit. Find out the correct statement(s).

The force between two charges is 120 N. If the distance between the charges is doubled, the force will be

When the distance between two charged particle is halved, the force between them becomes

Physics Class 12

Physics Class 12

Top Courses for NEET

About this NEET Practice Test

Explore more NEET Study Resources

Two insulated charged copper spheres A and B have their centers separated by a distance of 50 cm. What is the mutual force of electrostatic repulsion if the charge on each is 6.5×10⁻⁷ C? The radii of A and B are negligible compared to the distance of separation.