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

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(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

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(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

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(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

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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

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(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

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(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

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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

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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

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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

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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

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(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

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(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

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(A) joule/coulomb

14. Electric potential is equal to

(A) q / W
(B) W / q
(C) Wq
(D) √Wq

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(B) W / q

15. One farad (F) is equal to

(A) 1 CV
(B) 1 CV^-1
(C) 1 CV^-2
(D) 1 CV²

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(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	12^thor Inter
Stream	Science
Category	Class 12 Physics Mcq
Chapter Name	Electric Potential and Capacitor
Subject	Physics Class 12th
Class 12^th English Summary	BSEB Class 12th English Summary
Class 10^th Science All Chapter Objective Question	Click Hare
Type Of Question	Objective Question \|\| 01 Marks
Script	Hindi And English Medium
Published On	Bihari Academy