Electric Potential and Capacitor Objective Question In English
Electric Potential and Capacitor Objective Question In English | Class 12 Physics Mcq In English chapter 2 | 12th Physics ka Objective Question | 12th Physics Objective Questions and Answers pdf 2024
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Electric Potential and Capacitor Objective Question
1. If uniform electric field exists along Z-axis, equipotential is along
- (A) XY-plane
- (B) XZ-plane
- (C) YZ-plane
- (D) none
Show Answer
(A) XY-plane
2. Eight drops each of radius r and charge q are merged to form a big drop. The potential energy of the big drop as compared to one small drop is
- (A) 32 times
- (B) 16 times
- (C) 8 times
- (D) 4 times
Show Answer
(A) 32 times
3. A spherical conductor is charged. The electric field intensity at its centre will be
- (A) infinite
- (B) zero
- (C) equal to that at the surface
- (D) none
Show Answer
(B) zero
4. The electric potential due to a small electric dipole at a large distance r from the center of the dipole is proportional to
- (A) r
- (B) 1 / r
- (C) 1 / r2
- (D) 1 / r3
Show Answer
(C) 1 / r2
5. If a metal rod is inserted between the plates of a capacitor connecting them, the capacitance will become
- (A) zero
- (B) infinity
- (C) 9 x 109 μF
- (D) None
Show Answer
(B) infinity
6. Eight drops each of radius r and charge q are merged to form a single drop. The ratio of the potential of big drop to small drop is
- (A) 8:1
- (B) 4:1
- (C) 2:1
- (D) 1:8
Show Answer
(B) 4:1
7. The value of dielectric constant of a substance except air is always greater than
- (A) zero
- (B) 0.5
- (C) 1
- (D) 2
Show Answer
(C) 1
8. Two capacitors each of capacitance 1 μF are connected in parallel and a third capacitor of 0.5 μF is connected in series with this combination. The resulting capacitance will be
- (A) 16 μF
- (B) 10 F
- (C) 2.5 μF
- (D) 12 μF
Show Answer
(C) 2.5 μF
9. van de Graaff generator is a machine that produces
- (A) AC power
- (B) current of high frequency
- (C) voltage of several lakh volts
- (D) only small currents
Show Answer
(C) voltage of several lakh volts
10. If a conductor is placed in an electric field, the electric field inside the conductor
- (A) decreases
- (B) increases
- (C) becomes zero
- (D) remains unchanged
Show Answer
(C) becomes zero
11. If an earthed conductor is brought near an insulated conductor, then the capacity of insulated conductor
- (A) decreases
- (B) increases
- (C) remain unchanged
- (D) none
Show Answer
(B) increases
12. Each of four capacitors has a capacitance of 2 μF. To get an equivalent capacitance of 8 μF, these must be combined
- (A) in series
- (B) in parallel
- (C) some in series and some in parallel
- (D) None of these
Show Answer
(B) in parallel
13. The unit of electric potential is volt and is equal to
- (A) joule/coulomb
- (B) joule x coulomb
- (C) coulomb / joule
- (D) None of these
Show Answer
(A) joule/coulomb
14. Electric potential is equal to
- (A) q / W
- (B) W / q
- (C) Wq
- (D) √Wq
Show Answer
(B) W / q
15. One farad (F) is equal to
- (A) 1 CV
- (B) 1 CV-1
- (C) 1 CV-2
- (D) 1 CV2
Show Answer
(B) 1 CV-1
16. If a glass bar is moved between the plates of an air-capacitor, its capacitance
- (A) increase
- (B) decrease
- (C) remain stable
- (D) zero
Show Answer
(A) increase
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Tag:– questions on electric potential and capacitance | electric potential and capacitance questions | electric potential mcq | mcq from electric potential and capacitance | electric potential and capacitance board questions | mcq on electrostatic potential and capacitance | Electric Potential and Capacitor Objective Question in English
Class 12 Physics Mcq In English | Related Post
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Electric Potential and Capacitor Objective Question In English | Class 12 Physics Mcq In English
| Pattern Based | Bihar Board, Patna |
| Class | 12th or Inter |
| Stream | Science |
| Category | Class 12 Physics Mcq |
| Chapter Name | Electric Potential and Capacitor |
| Subject | Physics Class 12th |
| Class 12th English Summary | BSEB Class 12th English Summary |
| Class 10th Science All Chapter Objective Question | Click Hare |
| Type Of Question | Objective Question || 01 Marks |
| Script | Hindi And English Medium |
| Published On | Bihari Academy |
