Electrostatic Force

Q.

Which is the strongest fundamental force of nature?

Q.

The force between two charged particles due to their charges is called _________

1. electrostatic force

2. frictional force

3. gravitational force

4. magnetic force

Q. Is electrostatic force is an example of non contact force?

Q.

A magnetic field can exert force on a

1. stationary magnet

2. moving charge

3. moving magnet

4. all of the above.

Q.

The force between two charge bodies is called?

Q.

Write a short note about electrostatic force.

Q. Objects are attracted towards the earth because force of _____ is acting on them.

1. muscles
2. friction
3. gravitation
4. electricity

Q.

Magnetic force acts between charged particles that are at rest.

1. False

2. True

Q.

When an ebonite rod is rubbed with wool, the rod becomes negatively charged. Why?

Q.

Which of the following is/are non-contact force(s)?

1. Gravitational Force

2. Electrostatic Force

3. Muscular Force

4. Magnetic Force

1. 1, 3 and 4

2. 1 and 3

3. 1, 2 and 4

4. 2, 3 and 4

Q.

What is the force that acts between charged particles that are at rest?

1. None of these

2. Strong nuclear force

3. Electrostatic force

4. Weak nuclear force

Q.

Which of the following is/are the fundamental forces of nature?

1. Direction

2. Speed

3. Both

4. None of these

Q.

___ force acts between charged particles that are at rest.

Q.

Electrostatic force is a contact force.

1. True

2. False

Q.

Charges are of two types: negative and positive. Like charges repel while unlike charges attract each other.

1. Pressure

2. Pascal

Q.

What is known as electrostatic force?

1. Force exerted by a charged body on a charged body only.

2. Force exerted by a charged body on an uncharged body only.

3. Force exerted by a charged body on both charged body and uncharged body.

4. Force which is static.

Q. What do we call the force exerted between two charged particles at rest?

1. Electrostatic force
2. Muscular force
3. Magnetic force
4. Frictional force

Q. James combs his hair and brings the comb near some tiny pieces of paper. He finds that the comb is attracting the pieces of paper. Which force is responsible for the attraction?

1. Magnetic force
2. Gravitational force
3. Nuclear force
4. Electrostatic force

Q. When a plastic comb is rubbed with hair, it acquires some charges due to which it attracts tiny pieces of paper. The type of charge, which the comb acquires from the hair is ___.

1. Positive
2. Negative
3. $\alpha$
4. $\beta$

Q.

Which of the following is/are non-contact force(s)?

1. Gravitational Force

2. Electrostatic Force

3. Muscular Force

4. Magnetic Force

1. 1, 3 and 4

2. 1 and 3

3. 1, 2 and 4

4. All of the above

Q. What happens when an ebonite rod is rubbed with wool?

1. Ebonite rod starts shining more
2. Both, ebonite rod and wool, acquire opposite charges
3. Both, ebonite rod and wool, acquire similar charges
4. Ebonite rod disintigrates into its constituent elements

Q.

What is the force which acts between charged particles at rest known as?

1. Weak nuclear force

2. Strong nuclear force

3. Electrostatic force
4. None of these

Q.

Which of the following is a non-contact force?

1. Electrostatic

2. Magnetic

3. Gravitational

4. All of these

Q. Electrostatic force is the force exerted by a charged body on both charged and uncharged body.

1. False
2. True

Q.

Choose the correct option:

Statement 1: When a plastic straw is rubbed with a piece of paper and brought near another plastic straw, it attracts the second straw.

Statement 2: A straw is said to have acquired electrostatic charge after it has been rubbed with a piece of paper. Therefore, it exerts an electrostatic force on the second straw and attracts it.

1. Statement 1 is wrong and statement 2 is correct explanation of it.

2. Statement 1 is correct and statement 2 is correct explanation of it.

3. Statement 1 is correct but statement 2 is wrong explanation of it.

4. Statement 1 is wrong and statement 2 is wrong explanation of it.

Q. Electrostatic forces act between:

1. Uncharged particles
2. Charged particles
3. Particles with mass
4. Bodies in contact