Second Year Physics Chapter 12 Online MCQ Test for 2nd Year Physics "Electrostatics Preparation"

FSC Part 2 Physics
Chapter 12 Test

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

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Physics FSC Part 2 Chapter 12 Online MCQ's Test

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Question # 1

The number of lines per unit area passing perpendicular through an area is called

Question # 2

The electrical intensity is equal to:

Question # 3

The electric field lines are closer where the field is

Question # 4

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

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

For computation of electric flux, the surface area should be.

Question # 7

If both the magnitude of charges and distance between them is doubled, then coulomb's force will be.

Question # 8

the force between two charge is 28 N. If paraffin wax of relative permittivity 2.8 is introduced between the charges as medium, then the force reduces to.

Question # 9

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 # 10

Intensity of field inside a hollow charged sphere will be.

Question # 11

Coulomb's force is:

Question # 12

If the separation between the plates of a capacitor is doubled then its capacitance become.

Question # 13

Metals are good conductors of electricity because they have

Question # 14

SI unit of electric flux is.

Question # 15

Two parrallel, metal plates are a distance 8.00 m apart. The electric field between the plates in uniform, Directed toward the right , and has a magnitude of 4.00 N/C. If an ion of charge +2e is released at rest at the left-hand plate. What is its kinetic energy when reaches the right-hand plate?

Question # 16

Presence of dielectric always.

Question # 17

Electric flux is a:

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Due to polarization, electric field E.
A. Increase
B. Decrease
C. First increases then decreases
D. Remain same
2 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
3 For computation of electric flux, the surface area should be.
A. Parallel
B. Flat
C. Curved
D. Spherical
4 The electrons in one coulomb change is equal to.
A. 1.6 x 10-19
B. 2.25 x 10-19
C. 6.25 x 10-18
D. 6.25 x 10-19
5 The electrical intensity is equal to:
A. -Δr/Δv
B. Δv/Δr
C. Δv/Δv
D. -Δv/Δr
6 The force of Neutron due to field of 102 N/C is.
A. 1.6 x 10-17N
B. 1.6 x 10-19N
C. Zero
D. 1.6 x 10-21N
7 Concept of the electric field lines is introduced by
A. Coulomb
B. Faraday
C. Einstein
D. Joseph henry
8 Electric flux is a
A. Vector quantity
B. Scalar quantity
C. Both (a) and (b)
D. None of above
9 Total flux through a closed surface depends on.
A. Shape of surface
B. Medium only
C. Charge enclosed only
D. Charge and Medium
10 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

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