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Electrostatic Potential, Class 12 Physics NCERT Solutions

1. There will be total 20 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. A hollow metal sphere of radius 20 cm is charged such that the potential on its surface is 120 Volt. The potential at the centre of the sphere is
 
 
 
 

Question 1 of 20

2. The work done in moving a positive test charge qo from infinity to a point P at a distance r from the charge q is
Electrostatic Potential Multiple Choice Questions for CBSE Class 12 Physics Topperlearning
 
 
 
 

Question 2 of 20

3. Electric field intensity is equal to
 
 
 
 

Question 3 of 20

4. Electric potential at a point located far away from the charge is taken to be
 
 
 
 

Question 4 of 20

5. A charge of 6 mC is located at the origin. The work done in taking a small charge of -2 x 10-9 C from a point P (0, 3 cm, 0) to a Q (0,4 cm, 0) is
 
 
 
 

Question 5 of 20

6. A hollow metal sphere of radius 5 cm is charged such that the potential on its surface is 10 V. The potential at the centre of the sphere is
 
 
 
 

Question 6 of 20

7. It requires 4 J of work to move a charge of 20 C from point A to point B, separated by a distance of 0.2 cm. The potential difference between A and B in volts
 
 
 
 

Question 7 of 20

8. What is the direction of the lines of force at any point on the equipotential surface?
 
 
 
 

Question 8 of 20

9. A hollow metal sphere of radius 10 cm is charged such that the potential on its surface is 80 volt. The potential at the centre of the sphere is
 
 
 
 

Question 9 of 20

10. Electric field intensity at point ‘B’ due to a point charge ‘Q’ kept at a point ‘A’ is 12 NC-1 and the electric potential at a point ‘B’ due to same charge is 6 JC-1. The distance between AB is
 
 
 
 

Question 10 of 20

11. E=-dV/dr, here the negative sign signifies that
 
 
 
 

Question 11 of 20

12. Work done in carrying 2C charge in a circular path of radius 2m around a charge of 10C is
 
 
 
 

Question 12 of 20

13. Dimensional formula for potential difference is
3
 
 
 
 

Question 13 of 20

14. Whats motion?
 
 
 
 

Question 14 of 20

15. If 100 J of work has to be done in moving an electric charge of 4C from a place where potential is -5 V to another place, where potential is V volt. The value of V is
 
 
 
 

Question 15 of 20

16. A particle of charge q1 = 7234_image016 (1) is located on x-axis at the point x1 = 6 cm. A second point charge q2 = 7234_image017 is placed on the x-axis at x2 = -4 cm. The absolute electric potential at the origin is
 
 
 
 

Question 16 of 20

17. Electric potential is
 
 
 
 

Question 17 of 20

18. The amount of work done in moving a unit positive charge through distance of 10 cm on an equipotential surface is
 
 
 
 

Question 18 of 20

19. Equal charges are given to two spheres of different radii. The potential will
 
 
 
 

Question 19 of 20

20. A hollow metal sphere of radius 5cm is charged so that the potential on its surface is 10V. The potential at a distance of 2cm from the centre of the sphere is
 
 
 
 

Question 20 of 20