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 SI unit of relative permittivity is.

Question # 2

Concept of the electric field lines is introduced by

Question # 3

Electric field intensity at a point is defined by the relation.

Question # 4

The number of electrons in one coulomb charge is equal to

Question # 5

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

Question # 6

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 # 7

Special organs called ampullae of lorenzenite are present in.

Question # 8

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 # 9

An ECG records the _____ between points on human skin generated by electric process i the heart.

Question # 10

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

Question # 11

The electric flux through closed surface depends upon

Question # 12

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 # 13

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

Question # 14

If a charge body moved against the electric field it will again

Question # 15

The electrons in one coulomb change is equal to.

Question # 16

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

Question # 17

A changing electric flux creates.

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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 Concept of electric field lines was given by:
A. Michelson
B. Henry
C. Michael faraday
D. Oersted
2 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
3 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:
A. 1884 ke V
B. 1/1840 keV
C. 1 keV
D. 920 keV
4 NC-1 is the SI unit is
A. Force
B. Charge
C. Current
D. Electric intensity
5 Photo copier and inkjet printer are the applications of
A. Magnetism
B. Electricity
C. `.Electro magnetism
D. Electrostatics
6 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
7 When some di electric is inserted between the plates of a capacitor, then capacitance.
A. Decreases
B. Increases
C. Becomes zero
D. Becomes infinity
8 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
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 Capacitance of a capacitor does not depend upon.
A. Distance between plates
B. Area of plates
C. Electric field between plates
D. Medium between plates

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