Question 1 of 20

Physics

1. Capacitance is defined as:

1.Q/C

2.QV

3.V/Q

4.VC

Question 1 of 20

Question 2 of 20

2. The Coulomb’s law is valid for the charges which are:

1.Stationary and large size charges

2.Stationary and point charges

3.Moving and non-point charges

4.Moving and point charges

Question 2 of 20

Question 3 of 20

3. Similar charges always:

1.Attract

2.Repel

3.None of these

4.No effect

Question 3 of 20

Question 4 of 20

4. Electric field lines

1.Always cross each other

2.Cross each other in the region of strong field

3.Never cross each other

4.Cross each other in the region of weak field

Question 4 of 20

Question 5 of 20

5. Which is not conductor?

1.Copper

2.Steel

3.Sand

4.Aluminium

Question 5 of 20

Question 6 of 20

6. Used as dielectric:

1.Paper

2.Glass

3.Mica

4.All of these

Question 6 of 20

Question 7 of 20

7. A positive electric charge:

1.Attracts a neutral charge

2.Attract other positive charge

3.Repels a neutral charge

4.Repels other positive charge

Question 7 of 20

Question 8 of 20

8. The force which is attractive as well as repulsive is:

1.Magnetic force

2.Coulomb force

3.Gravitational force

4.Electromagnetic force

Question 8 of 20

Question 9 of 20

9. When you rub a plastic rod against your hair several times and put it near some bits of paper, the pieces of papers are attracted towards it. What does this observation indicate?

1.The rod and the paper have the same charge

2.The rod and the paper are oppositely charged

3.The rod acquires a positive charge

4.The rod acquires a negative charge

Question 9 of 20

Question 10 of 20

10. Two uncharged objects A and B are rubbed against each other. When object B is placed near a negatively charged object C, the two objects repel each other. Which of these statements is true about object A?

1.Becomes negatively charged

2.Remains uncharged

3.Unpredictable

4.Becomes positively charged

Question 10 of 20

Question 11 of 20

11. Which is not insulator?

1.Glass

2.Mercury

3.Rubber

4.Paper

Question 11 of 20

Question 12 of 20

12. A positive and a negative charge are initially 4 cm apart. When they are moved closer together so that they are now only 1cm apart, the force between them is:

1.4 times smaller than before

2.4 times larger than before

3.8 times larger than before

4.16 time larger than before

Question 12 of 20

Question 13 of 20

13. When a glass rod is rubbed with silk it becomes:

1.Positively charged

2.None of these

3.Becomes neutral

4.Negatively charged

Question 13 of 20

Question 14 of 20

14. The distance between two point charges is 20 cm. If the distance is reduced to 10 cm, the coulomb force would become:

1.Four times

2.Two times

3.One fourth

4.Half

Question 14 of 20

Question 15 of 20

15. When positive charge of 2 coulombs is placed at a point in an electric field, it experience a force of 6N. The intensity of electric at this point is:

1.12N C⁻¹

2.61.5N C⁻¹

3.6N C

4.3N C⁻¹

Question 15 of 20

Question 16 of 20

16. According to Coulomb’s law, what happens to the attraction of two oppositely charged objects as their distance of separation increases?

1.Decrease

2.Increase

3.Cannot be determined

4.Remains unchanged

Question 16 of 20

Question 17 of 20

17. Two charged spheres are separated by 2mm. Which of the following would produce the greatest attractive force?

1.– 1q and – 4q

2.+ 2q and + 2q

3.+ 1q and + 4

4.+ 2q and – 2q

Question 17 of 20

Question 18 of 20

18. An object gains excess negative charge after being rubbed against another object, which is:

1.Negatively charged

2.Neutral

3.Positively charged

4.Either a, b or c

Question 18 of 20

Question 19 of 20

19. Which is used for tuning a radio?

1.Solenoid

2.Fixed capacitor

3.Electroscope

4.Variable capacitor

Question 19 of 20

Question 20 of 20

20. Five joules of work is needed to shift 10C of charge from one place to another. The potential difference between the places is:

1.10 V

2.2 V

3.0.5 V

4.5 V

Question 20 of 20

Test By Subject	Punjab
Test By Topics	10th Class Physics

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Punjab 10th Class Physics Chapter 4 Electrostatics Mcqs Test Online

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Punjab 10th Class Physics Chapter 4 Electrostatics Mcqs Test Online

Punjab 10th Class Physics Chapter 4 Electrostatics Mcqs Test Online

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