MCQ on Class 12 Physics Chapter 1 Electric Charges and Fields with Answers

We have compiled the MCQ Questions for Class 12 Physics Chapter 1 Electric Charges and Fields with Answers Pdf free download covering the entire syllabus for JEE/NEET and Boards. Practice MCQ Questions for Class 12 Physics with Answers on a daily basis and score well in exams. Refer to the Electric Charges and Fields Class 12 MCQs Quiz Questions with Answers here along with a detailed explanation.

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Electric Charges and Fields Class 12 MCQs Questions with Answers

MCQ Quiz on Class 12 Physics Chapter 1 Electric Charges and Fields with Answers

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1. Two similar spheres having +Q and -Q charges are kept at a certain distance. F force acts between the two. If at the middle of two spheres, another similar sphere having +Q charge is kept, then it experiences a force in magnitude and direction as

 
 
 
 

2. Which one of the following is the unit of electric field?

 
 
 
 

3. Static electricity is produced by

 
 
 
 

4. When the distance between two charges is reduced to one-half of the original distance, the force between them will remain the same if one of the charges is made:

 
 
 
 

5. If an electric dipole is kept in a uniform electric field then the resultant electric force on it is :

 
 
 
 

6.  A charge Q is divided into two parts of q and Q – q. If the Coulomb repulsion between them when they are separated is to be maximum, the ratio of Q/q should be

 
 
 
 

7. The electric field inside a spherical shell of uniform surface charge density is

 
 
 
 

8. In comparison With the electrostatic force between two electrons, the electrostatic force between two protons is:

 
 
 
 

9. Electric field in a cavity of metal:

 
 
 
 

10. Electric field at a point varies as r° for

 
 
 
 

11. Two point charges each of 20 µC are placed 50 cm apart in air. What is the electric field intensity at the mid point on the line joining the centre of two point charges?

 
 
 
 

12. The surface considered for Gauss’s law is called

 
 
 
 

13. The work done in rotating an electric dipole in an electric field:

 
 
 
 

14. When two charged spheres are connected with a wire, the electric charge on them is shared:

 
 
 
 

15. A unit Coulomb charge is one which when placed in air at a distance of 1 m from an equal and similar charge repel it with a force of

 
 
 
 

16. Three charges + 3q + q and Q are placed on a st. line with equal separation. In order to maket the net force on q to be zero, the value of Q will be :

 
 
 
 

17. If sphere of bad conductor is given charge then it is distributed on:

 
 
 
 

18.  Which of the following statements is not true about Gauss’s law?

 
 
 
 

19. The number of electron-taken out from a body to produce 1 coulomb of charge will be :

 
 
 
 

20. If electric flux through a closed surface is zero. It means that:

 
 
 
 

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