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

Flux through any closed surface is:

Question # 2

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

Question # 3

Identify the practical application of electrostatic force.

Question # 4

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 # 5

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

Question # 6

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

Question # 7

The quantity time constant RC has units of.

Question # 8

When the medium is insulator the elecrostatic force between the charges is

Question # 9

Charge on electron is

Question # 10

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

Question # 11

Selenium is a

Question # 12

Coulomb's force is:

Question # 13

Coulomb /volt is called.

Question # 14

The number of electrons in one coulomb charge is equal to

Question # 15

Special organs called ampullae of lorenzenite are present in.

Question # 16

The electrical intensity is equal to:

Question # 17

Some charge is being given to a conductor. Then its potencial

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ICS Part 2 Physics Chapter 12 Online Test MCQ's

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Sr. # Question Answer
1 Selenium is

A. Insulator is dark

B. Insulator in light

C.Conductor in dark

D. Semi conductor in dark

2 Closeness of the electric field lines is the measure of.

A. Direction of field

B. Strength of field

C.Potential difference

D. Uniformity of field

3 The SI unit of relative permittivity is.

A. Fm-1

B. C2N-1m-2

C.Nm2C-2

D. No unit

4 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

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

A. Decreases

B. Increases

C.Becomes zero

D. Becomes infinity

6 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

7 Force per unit charge is called:

A. Gravitational force

B. Electric field intensity

C.Coulomb's force

D. None of these

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

A. Two time

B. Four time

C.Eight time

D. Sixteen time

9 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

10 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

11
Drum of photocopier is made of.

A. Copper

B. Aluminum

C.Nickel

D. Cobalt

12 Which one of the following is correct

A.

D. All of above

13 The capacitance of a capacitor depends upon.

A. Thickness of plates

B. Charges on the plates

C.Voltage applied

D. Geometry of the capacitor

14 The electric potential at a mid point in an electric dipole is.

A. 0 V

B. 0.5 V

C.1 V

D. 1.5 V

15 The leV =

A. 1.6x10-19C

B. 1.6x10-11J

C.1.6x10-19J

D. 1.6x10-11C

16 One electron volt is equal to.

A. 1.6 x 10-19 Joule

B. 1.6 x 10-19Coulomb

C.1.6 x 10-12N

D. 1.6 x 1018Joule

17 The net charge on a capacitor magnitude of charge of charge

A. Infinity

B. 2 q

C.Q/2

D. Zero

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