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

Farad is defined as

Question # 2

Two opposite point charge of same magnitude separated by distance 2d, electric potential mid way between them is.

Question # 3

The electric flux through closed surface depends upon

Question # 4

The product of resistance and capacitanc eis.

Question # 5

Capacitance of a capacitor does not depend upon.

Question # 6

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

Question # 7

Two metallic sphere of radius 2 cm and 4 cm get equal quantity of charge. Which has greater surface charge density ?

Question # 8

The force of Neutron due to field of 102 N/C is.

Question # 9

A one microfarad capacitor of a TV is subjected to 4000 V potencial difference.The energy stored in capacitor is:

Question # 10

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 # 11

SI unit of electric flux is.

Question # 12

Gauss's law can only be applied to.

Question # 13

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 # 14

Metals are good conductors of electricity because they have

Question # 15

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

Question # 16

Intensity of field inside a hollow charged sphere will be.

Question # 17

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

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 A force of 0.01 N is exerted on a charge 1.2 x 10-5 C at a certain point. The electric field at that point is
A. 1.2 x 104 N/C
B. 1.2 x 104 C/N
C. 8.3 x 102 N/C
D. 8.3 x 10-2 N/C
2 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
3 Coulomb's force is:
A. Conservative force
B. None conservative force
C. Similar to frictional force
D. None of the above
4 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
5 Electric potential at a distance ''r'' from ''q'' is:
A. Vr = 1/54πε∘q/r2
B. Vr=1/4πε∘2q/r
C. Vr=1/4πε∘2q/r
D. Vr=1/4πε∘q2/r
6 A charge Q is divided into tweo parts q and Q-q and seperated by a distance R. The force of equilibrium between them will be maximum when:
A. q=Q/4
B. q=Q/2
C. q=Q
D. None of these
7 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
8 Charge on electron is
A. 1.6 x 10-19 C
B. 1.6 x 1019C
C. 1.6 x 10-17C
D. 1.6 x 1017C
9 The electrical intensity is equal to:
A. -Δr/Δv
B. Δv/Δr
C. Δv/Δv
D. -Δv/Δr
10 The electric intensity at infinite distance from the point charge is
A. Infinite
B. Zero
C. Positive
D. Negative

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