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

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

Question # 2

Which material should be inserted between the plates of a capacitor in order to increase its capacitance.

Question # 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:

Question # 4

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 # 5

One joule is equal to.

Question # 6

Selenium is a

Question # 7

The middle region of electric field is:

Question # 8

A changing electric flux creates.

Question # 9

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

Question # 10

Selenium is

Question # 11

The electric intensity at infinite distance from the point charge is

Question # 12

Dielectric constant εr for air is:

Question # 13

If the potential difference across two plates of capacitor is doubled, then energy stored in it will be.

Question # 14

Special organs called ampullae of lorenzenite are present in.

Question # 15

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 # 16

If the medium between the charges is not free space then electrostatic force will.be

Question # 17

Concept of the electric field lines is introduced by

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ICS Part 2 Physics Chapter 12 Online Test MCQ's

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Sr.# Question Answer
1 Identify the practical application of electrostatic force.
A. Inkjet printer
B. x rays
C. Laser
D. A.C. Generator
2 The photo copying process is called
A. Xerography
B. Inkjet Printer
C. Both (a) and (b)
D. None of these
3 The number of lines per unit area passing perpendicular through an area is called
A. Flux
B. Electric intensity
C. Both (a) , (b)
D. None of these
4 Two opposite point charge of same magnitude separated by distance 2d, electric potential mid way between them is.
A. 1 V
B. 2 V
C. Zero
D. V/2
5 Intensity of field inside a hollow charged sphere will be.
A. Negative
B. Unaffected
C. Zero
D. Maximum
6 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
7 Selenium is a
A. Insulator
B. Photoconductor
C. Conductor
D. First insulator then conductor
8 Which material should be inserted between the plates of a capacitor in order to increase its capacitance.
A. Copper
B. Mica
C. Iron
D. Tin
9 An electric field cannot deflect
A. X-rays
B. a-particles
C. ß-particles
D. None of these
10 The electrons in one coulomb change is equal to.
A. 1.6 x 10-19
B. 2.25 x 10-19
C. 6.25 x 10-18
D. 6.25 x 10-19

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