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

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

Question # 2

Capacitance of a capacitor does not depend upon.

Question # 3

The electrons in one coulomb change is equal to.

Question # 4

Concept of the electric field lines is introduced by

Question # 5

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

Question # 6

In photocopier, then drum is coated with layer of.

Question # 7

In Millikan's oil drop experiment a charged particle of mass 'm' is in equilibrium in an will

Question # 8

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 # 9

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

Question # 10

If the medium between the charges is not free space then electrostatic force will.be

Question # 11

The electric field created by positive charge is

Question # 12

Two oppositely charged balls A and B attract the third ball C, when placed near them turn by turn The third ball C must be.

Question # 13

If the distance between the two charged bodies is halved, the force between them becomes.

Question # 14

A capacitor is perfect in insulator for.

Question # 15

Coulomb /volt is called.

Question # 16

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 # 17

The product of resistance and capacitanc eis.

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Metals are good conductors of electricity because they have
A. Large number of bounded electrons
B. Small number of electrons
C. Large number of free electrons
D. Small number of free electrons
2 A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, Then
A. The charge in the plates reduces and potencial difference increase
B. Potencial difference between the plates increase, stored energy decreases and charge remains the same
C. Potencial difference between the plates decreases, stored energy decreases and charge remains unchanged
D. None of them
3 S.I unit of strength of electric field is
A. J/C
B. C/V
C. V/C
D. N/C
4 Farad is defined as
A. "Coulomb/Volt
B. Ampere /Volt
C. Coulomb /Joule
D. Volt/Coulomb
5 When the medium is insulator the elecrostatic force between the charges is
A. Decreased
B. Zero
C. Increased
D. None of above
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 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?
A. ρ = 0
B. ρ decreases linearly in the direction of the electric field
C. ρ increases linearly in the direction of the electric field
D. ρ has a uniform value throughout the region
8 If both the magnitude of charges and distance between them is doubled, then coulomb's force will be.
A. Doubled
B. Hlaf
C. Remain same
D. One fourth
9 Flux through any closed surface is:
A. 1/ε2∘ times the total charge enclosed in it
B. ε2∘ time the total charge enclosed in it
C. 1/ε∘ ties the total charge enclosed in ti
D. ε∘ time the total charge enclosed in it
10 A capacitor is perfect in insulator for.
A. Alternating current
B. Sparking current
C. Eddy current
D. Direct current

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