Physics Objective Questions In English | Electric Charge And Field

Physics Objective Questions In English | Electric Charge And Field | Class 12 Physics Mcq In English | Physics Chapter 1 Class 12 MCQ PDF | mcq on electric charges and fields pdf for neet

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Physics Objective Questions In English

1. if a dielectric is placed between two plates of a parallel plate capacitor, the value of capacitance.

(A) increases
(B) remains constant
(C) Decreases
(D) None

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2. Charge on a capacitor of capacitance 1uf having potentail difference 1 volts between its plates will be:

(A) zero
(B) 1uc
(C) 1C
(D) infinite

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(B) 1uc

3. Two capacitors each of capacity C are connected in parrelel The equivalent capacity is

(A) 2C
(B) C
(C) C/2
(D) 1/2C

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4. which of following has unit volt/meter ?

(A) electric flux
(B) Electric potentail
(C) electric capacity
(D) electric field

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(D) electric field

5. 1 amu is equal to -

(A) 1.6*10^-27kg
(B) 1.6*10²⁷kg
(C) 1.6*10^-31kg
(D) 1.6*10^-19kg

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(A) 1.6*10^-27kg

6. Dimension of charge is

(A) AT
(B) AT^-1
(C) A^-1T
(D) AT²

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(A) AT

7. Sum of charge on collecting plate and condensing plate of plate of a charged capacitor is-

(A) Zero
(B) 1uc
(C) 1c
(D) infinite

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(A) Zero

8. When a body is charged, its mass --

(A) increases
(B) decreases
(C) remain same
(D) none

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(D) none

9. The electric field intensity at distances r and 2r from a long, uniformly charged straight wire are E₁ or E₂ respectively. The ratio of E₁ and E₂ will be

(A) 1/2
(B) 2
(C) 1
(D) none

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(B) 2

10. The quantum of electric charge in e.s.u. is

(A) 4.78 x 10^-10
(B) +1.6 x 10^-19
(C) 2.99 x 10⁹
(D) –1.6 x 10^-19

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(A) 4.78 x 10^-10

11. Debye is the unit of

(A) charge
(B) polarization
(C) electric dipole moment
(D) none

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12. The intensity of the electric field at any point on the surface of a charged conductor is

(A) zero
(B) perpendicular to the surface
(C) tangential to the surface
(D) at 45° to the surface

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(B) perpendicular to the surface

13. 1 coulomb charge is equal to

(A) 2.99 x 10⁹ e.s.u.
(B) 9 x 10⁹e.s.u.
(C) 8.85 x 10^-12e.s.u.
(D) none

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(A) 2.99 x 10⁹ e.s.u.

14. The unit of electric field intensity is

(A) NC
(B) N/C
(C) vm
(D) v/m

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(B) N/C

15. The dimensional formula of electric field intensity is

(A) [MLT^-2 A^-1]
(B) [MLT^-3A^-1]
(C) [ML²T^-3A ^-2]
(D) [ML²T²A²]

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(A) [MLT^-2 A^-1]

16. Which of the following is a vector?

(A) charge
(B) capacity
(C) electric field intensity
(D) None of these

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Class 12 Physics Mcq In English | Related Post

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Physics Objective Questions In English | Electric Charge And Field | 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 Charge And Field
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