Second Year Physics Chapter 12 Online MCQ Test for 2nd Year Physics "Electrostatics Preparation"

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Chapter 12 Test

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MCQ's Test For Chapter 0 "Physics FSC Part 2 Chapter 12 Online MCQ's Test"

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Physics FSC Part 2 Chapter 12 Online MCQ's Test

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Question # 1

Electro encephalon graph is the diagnostic test for the working of.

Question # 2

The capacitance of a capacitor depends upon.

Question # 3

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

Question # 4

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 # 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

Due to polarization, electric field E.

Question # 7

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

Question # 8

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 # 9

Which one of the following is correct

Question # 10

Selenium is a

Question # 11

One joule is equal to.

Question # 12

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

Question # 13

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

Question # 14

The work done is bringing a unit positive charge from infinity to that point in an electric field is called.

Question # 15

The number of electrons in one coulomb charge is equal to

Question # 16

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

Question # 17

Electric flux is a:

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FSC Part 2 Physics Chapter 12 Online Test MCQ's

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Sr. # Question Answer
1 A capacitor stores energy in the form of.

A. Magnetic field

B. Heat energy

C.Electrical energy

D. Mechanical energy

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

A. Double

B. Half

C.One fourth

D. Three times

3 Coulomb's force is:

A. Conservative force

B. None conservative force

C.Similar to frictional force

D. None of the above

4 If a charged body is moved against the electric field it will gain.

A. P.E.

B. K.E.

C.Mechanical energy

D. Electrical potential energy

5 Selenium is a

A. Insulator

B. Photoconductor

C.Conductor

D. First insulator then conductor

6 The capacitance of a capacitor depends upon.

A. Thickness of plates

B. Charges on the plates

C.Voltage applied

D. Geometry of the capacitor

7 The negative of the potential gradient is

A. Electrostatic force

B. Electromotive force

C.Potential difference

D. Electric field intensity

8 The electric intensity at infinite distance from the point charge is

A. Infinite

B. Zero

C.Positive

D. Negative

9 The product of resistance and capacitanc eis.

A. Velocity

B. Force

C.Acceleration

D. Time

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

A. Decreases

B. Increases

C.Becomes zero

D. Becomes infinity

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

A. Uniform

B. Non uniform

C.Weak

D. Strong

12 The electrical intensity is equal to:

A. -Δr/Δv

B. Δv/Δr

C.Δv/Δv

D. -Δv/Δr

13 The middle region of electric field is:

A. Maximum field spot

B. Zero field spot

C.Perpendicular field spot

D. All of above

14 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

15 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.

A. 25 N

B. 20 N

C.10 N

D. 15 N

16 The total flux through a closed surface.

A. Directly proportional to shape and geometry

B. Independent of medium

C.Depend on shape and geometry

D. Dependent on medium and the charge enclosed

17 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

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