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

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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

A changing electric flux creates.

Question # 2

Which one is photo conductor.

Question # 3

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

Question # 4

Gauss's law can only be applied to.

Question # 5

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

Question # 6

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 # 7

Electron volt is the unit of.

Question # 8

A capacitor is perfect in insulator for.

Question # 9

The relative permitivity of air is

Question # 10

The fact that electric field exist in space around an electrical charge is

Question # 11

A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, Then

Question # 12

Force per unit charge is called:

Question # 13

Concept of electric field lines was given by:

Question # 14

A charge on 4 coulomb is in the field of intensity 4N/C the force on the charge is.

Question # 15

Which one of the following is correct

Question # 16

A proton is about 1840 time than an electron. When it is accelerated by a potencial difference if 1 kV, its kinetic energy will be:

Question # 17

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?

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Force per unit charge is called:
A. Gravitational force
B. Electric field intensity
C. Coulomb's force
D. None of these
2 The electric field created by positive charge is
A. Radially inward
B. Zero
C. Circular
D. Radially outward
3 The absolute electric potential at a point distance 20 cm from a charge of 2 uC is.
A. 9 x 102 V
B. 9 x 103 V
C. 9 x 104 V
D. 9 x 10 5 V
4 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
5 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?
A. 4 eV
B. 64 eV
C. 32 eV
D. 16 eV
6 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
7 For computation of electric flux, the surface area should be.
A. Parallel
B. Flat
C. Curved
D. Spherical
8 Electric intensity due to an infinite sheet of charge is:
A. ∂/2ε∘
B. ∂/rε∘
C. ∂/r2ε∘
D. none of these
9 S.I unit of strength of electric field is
A. J/C
B. C/V
C. V/C
D. N/C
10 Two metallic sphere of radius 2 cm and 4 cm get equal quantity of charge. Which has greater surface charge density ?
A. 2nd sphere
B. Both have same
C. First sphere
D. None of these

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