2nd Year Physics Chapter 12 Online MCQ Test for 12th Class Physics Chapter 12 (Electrostatics)

ICS Part 2 Physics
Chapter 12 Test

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MCQ's Test For Chapter 0 "Physics ICS Part 2 Chapter 12 Online MCQ's Test"

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Physics ICS Part 2 Chapter 12 Online MCQ's Test

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Question # 1

When some di electric is inserted between the plates of a capacitor, then capacitance.

Question # 2

The electric potential at a mid point in an electric dipole is.

Question # 3

If F1 and F2 are teh magnetic forces acting on a particle and electron respectively when moving perpendicular to the magnetic field then.

Question # 4

Due to polarization, electric field E.

Question # 5

The electrostatic force between two charges is 42 N, If we place a dielectric of Ey=2.1 between the charges then the force become equal to.

Question # 6

The electrons in one coulomb change is equal to.

Question # 7

if time constant in RC series circuit is small, then capacitor is charged or discharged.

Question # 8

Dielectric constant εr for air is:

Question # 9

Concept of electric field lines was given by:

Question # 10

The electric field in some region of of space is uniform in magnitude and direction. Which one of the following five statements best desccribes the volume charge density (ρ) , in this region of space?

Question # 11

Some charge is being given to a conductor. Then its potencial

Question # 12

NC-1 is the SI unit is

Question # 13

Farad is defined as

Question # 14

If the distance between two charges is halved and charges are also doubled, then force between them will be.

Question # 15

If a charged body is moved against the electric field it will gain.

Question # 16

Gauss's law can only be applied to.

Question # 17

Photo copier and inkjet printer are the applications of

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ICS Part 2 Physics Chapter 12 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Two opposite point charge of same magnitude separated by distance 2d, electric potential mid way between them is.
A. 1 V
B. 2 V
C. Zero
D. V/2
2 An electric field cannot deflect
A. X-rays
B. a-particles
C. ß-particles
D. None of these
3 When some di electric is inserted between the plates of a capacitor, then capacitance.
A. Decreases
B. Increases
C. Becomes zero
D. Becomes infinity
4 The electric intensity at infinite distance from the point charge is
A. Infinite
B. Zero
C. Positive
D. Negative
5 The electrostatic force between two charges is 42 N, If we place a dielectric of Ey=2.1 between the charges then the force become equal to.
A. 42 N
B. 88.2 N
C. 20 N
D. 2 N
6 The number of electrons in one coulomb charge is equal to
A. 6.2 x 1018 electrons
B. Zero electrons
C. 1.6 x 10-22 electrons
D. 6.2 x 1021 electrons
7 S.I unit of strength of electric field is
A. J/C
B. C/V
C. V/C
D. N/C
8 Electric intensity due to an infinite sheet of charge is:
A. ∂/2ε
B. ∂/rε
C. ∂/r2ε
D. none of these
9 For which material medium, force between two charged particles is maximum.
A. Ammonia
B. Germanium
C. Mica
D. Teflon
10 A charge on 4 coulomb is in the field of intensity 4N/C the force on the charge is.
A. Uniform
B. Non uniform
C. Weak
D. Strong

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