Punjab 10th Class Physics Chapter 4 Electrostatics Mcqs Test Online Punjab 10th Class Physics Chapter 4 Electrostatics Mcqs Test Online 1234567891011121314151617181920Show paginator Hide paginator 5% Question 1 of 20Physics 1. The force which is attractive as well as repulsive is: 1.Coulomb force 2.Gravitational force 3.Electromagnetic force 4.Magnetic force Question 1 of 20Question 2 of 20 2. The Coulomb’s law is valid for the charges which are: 1.Moving and point charges 2.Stationary and large size charges 3.Stationary and point charges 4.Moving and non-point charges Question 2 of 20Question 3 of 20 3. Used as dielectric: 1.All of these 2.Glass 3.Mica 4.Paper Question 3 of 20Question 4 of 20 4. A positive electric charge: 1.Repels other positive charge 2.Attracts a neutral charge 3.Attract other positive charge 4.Repels a neutral charge Question 4 of 20Question 5 of 20 5. 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 5 of 20Question 6 of 20 6. The distance between two point charges is 20 cm. If the distance is reduced to 10 cm, the coulomb force would become: 1.Half 2.One fourth 3.Four times 4.Two times Question 6 of 20Question 7 of 20 7. 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 are oppositely charged 2.The rod acquires a negative charge 3.The rod and the paper have the same charge 4.The rod acquires a positive charge Question 7 of 20Question 8 of 20 8. Which is used for tuning a radio? 1.Variable capacitor 2.Solenoid 3.Fixed capacitor 4.ElectroscopeQuestion 8 of 20Question 9 of 20 9. 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: 1.6N C 2.61.5N C⁻¹ 3.3N C⁻¹ 4.12N C⁻¹ Question 9 of 20Question 10 of 20 10. Capacitance is defined as: 1.VC 2.QV 3.Q/C 4.V/QQuestion 10 of 20Question 11 of 20 11. 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: 1.8 times larger than before 2.16 time larger than before3.4 times smaller than before 4.4 times larger than before Question 11 of 20Question 12 of 20 12. Five joules of work is needed to shift 10C of charge from one place to another. The potential difference between the places is: 1.0.5 V 2.2 V 3.10 V 4.5 V Question 12 of 20Question 13 of 20 13. An object gains excess negative charge after being rubbed against another object, which is: 1.Either a, b or c2.Neutral 3.Negatively charged 4.Positively charged Question 13 of 20Question 14 of 20 14. Which is not conductor? 1.Copper 2.Steel 3.Sand 4.Aluminium Question 14 of 20Question 15 of 20 15. When a glass rod is rubbed with silk it becomes: 1.Negatively charged 2.Becomes neutral 3.Positively charged 4.None of these Question 15 of 20Question 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.Increase 2.Decrease 3.Remains unchanged 4.Cannot be determinedQuestion 16 of 20Question 17 of 20 17. Electric field lines 1.Cross each other in the region of strong field 2.Cross each other in the region of weak field 3.Always cross each other 4.Never cross each other Question 17 of 20Question 18 of 20 18. 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.Unpredictable3.Remains uncharged 4.Becomes positively charged Question 18 of 20Question 19 of 20 19. Which is not insulator? 1.Rubber 2.Glass 3.Paper4.Mercury Question 19 of 20Question 20 of 20 20. Similar charges always: 1.None of these 2.No effect 3.Attract 4.Repel Question 20 of 20 Loading... Test By Subject Punjab Test By Topics 10th Class Physics You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.