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

The negative of the potential gradient is

Question # 2

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

Question # 3

The electric field lines are closer where the field is

Question # 4

The electrons in one coulomb change is equal to.

Question # 5

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

Question # 6

Closeness of the electric field lines is the measure of.

Question # 7

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

Question # 8

Selenium is a

Question # 9

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:

Question # 10

Drum of photocopier is made of.

Question # 11

Concept of electric field lines was given by:

Question # 12

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

Question # 13

Flux through any closed surface is:

Question # 14

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

Question # 15

The electric intensity due to two oppositely charged plates is

Question # 16

NC-1 is the SI unit is

Question # 17

Charge carriers in electrolytes are.

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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 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 If F1 and F2 are teh magnetic forces acting on a particle and electron respectively when moving perpendicular to the magnetic field then.
A. F1=F2
B. F1>F2
C. F1<F2
D. F1 = 4F2
3 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
4 Electric potential at a distance ''r'' from ''q'' is:
A. Vr = 1/54πεq/r2
B. Vr=1/4πε2q/r
C. Vr=1/4πε2q/r
D. Vr=1/4πεq2/r
5 Presence of dielectric between two charges always.
A. Reduces the electric force
B. Enhance the electric force
C. Does not effect electric force
D. Double the electric force
6 One of the applications of electrostatic induction is
A. Laser
B. Photocopier
C. X ray machine
D. Wilson cloud chamber
7 Coulomb /volt is called.
A. Farad
B. Ampere
C. Joule
D. Henry
8 Special organs called ampullae of lorenzenite are present in.
A. Bats
B. Cats
C. Dogs
D. Sharks
9 If the distance between the two charged bodies is halved, the force between them becomes.
A. Double
B. Half
C. Four times
D. One times
10 A one microfarad capacitor of a TV is subjected to 4000 V potencial difference.The energy stored in capacitor is:
A. 8 j
B. 16 j
C. 4 x 10-3j
D. 2 x 10-3j

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