MCQ on Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance with Answers

We have compiled the MCQ Questions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance 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 Electrostatic Potential and Capacitance Class 12 MCQs Quiz Questions with Answers here along with a detailed explanation.

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Electrostatic Potential and Capacitance Class 12 MCQs Questions with Answers

MCQ Questions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance with Answers

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1. An electric charge of 425 f µC is removed from a fully charged capacitor of capacitance 8.5µF. Its potential will be lowered by:

 
 
 
 

2.  If a unit positive charge is taken from one point to another over an equipotential surface, then

 
 
 
 

3. When a dielectric slab is introduced between the plates of a parallel plate capacitor which remains connected to a battery then charge on the plates relative to earlier charge is :

 
 
 
 

4. A positively charged particle is released from rest in an uniform electric field. The electric potential energy of the charge

 
 
 
 

5. A capacitor is connected across a battery and the plate separation of capacitor is increased without removing the battery, then:

 
 
 
 

6. If a +ve charge is moved from low to high potential region, the electric potential energy:

 
 
 
 

7. Two small spheres each carrying a charge q are placed r metre apart. If one of the spheres is taken around the other one in a circular path of radius r, the work done will be equal to

 
 
 
 

8. A polythene piece rubbed with wool is found to have a negative charge of 6.4 × 10-9c. How many electrons have been transferred during the process?

 
 
 
 

9. A dielectric is placed in between the two parallel plates of a capacitor as shown in the figure. The dielectric constant of the dielectric being K. If the initial capacity is C, then the new capacity will be:
MCQ Questions for Class 12 Physics Chapter 2 Electrostatic Potential and Capacitance with Answers

 
 
 
 

10. A capacitor is charged by using a battery which is then disconnected. A dielectric slab then slipped between the plates, which results in

 
 
 
 

11. Equipotentials at a great distance from a collection of charges whose total sum is not zero are approximately

 
 
 
 

12. What is the number of electrons in 100 g water?

 
 
 
 

13. Equipotential surfaces

 
 
 
 

14. Choose the SI unit of electric potential energy :

 
 
 
 

15. The capacitance of earth, viewed as a spherical conductor of radius 6408 km is:

 
 
 
 

16. The electric potential of earth is taken as:

 
 
 
 

17. A uniform electric field of 10 NC-1 exists in the vertically downward direction. What is the increase in the electric potential asonegoes up through a height of 300 cm ?

 
 
 
 

18. Two capacitors of 3 µF and 6 µF are connected in series with a battery of P.d. 12 V. The P.d. across 3µF and 6µF capacitors respectively will be 

 
 
 
 

19. Minimum number of capacitor of 2µF each required to obtain a capacitance of 5µF will be:

 
 
 
 

20. The electric potential V at any point O (x, y, z all in metres) in space is given by V = 4x² volt. The electric field at the point (1 m, 0, 2 m) in volt/metre is

 
 
 
 

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