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

A capacitor stores energy in the form of.

Question # 2

The quantity time constant RC has units of.

Question # 3

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

Question # 4

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

Question # 5

The number of electrons in one coulomb charge is equal to

Question # 6

The electric flux through closed surface depends upon

Question # 7

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

Question # 8

The electric field created by positive charge is:

Question # 9

The SI unit of relative permittivity is.

Question # 10

In photocopier, then drum is coated with layer of.

Question # 11

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 # 12

Electric intensity due to an infinite sheet of charge is:

Question # 13

Force per unit charge is called:

Question # 14

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

Question # 15

Drum of photocopier is made of.

Question # 16

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

Question # 17

Electric potential at a distance ''r'' from ''q'' is:

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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 Intensity of field inside a hollow charged sphere will be.
A. Negative
B. Unaffected
C. Zero
D. Maximum
3 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
4 Which one is photo conductor.
A. Copper
B. Selenium
C. Mercury
D. Aluminium
5 When the medium is insulator the elecrostatic force between the charges is
A. Decreased
B. Zero
C. Increased
D. None of above
6 Identify the practical application of electrostatic force.
A. Inkjet printer
B. x rays
C. Laser
D. A.C. Generator
7 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
8 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
9 A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, Then
A. The charge in the plates reduces and potencial difference increase
B. Potencial difference between the plates increase, stored energy decreases and charge remains the same
C. Potencial difference between the plates decreases, stored energy decreases and charge remains unchanged
D. None of them
10 For which material medium, force between two charged particles is maximum.
A. Ammonia
B. Germanium
C. Mica
D. Teflon

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