2nd Year Physics Chapter 12 Online MCQ Test for 12th Class Physics Chapter 12 (Electrostatics)

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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 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 # 2

Concept of the electric field lines is introduced by

Question # 3

Electric intensity due to an infinite sheet of charge is:

Question # 4

Which one of the following is correct

Question # 5

The relative permitivity of air is

Question # 6

Electric potencial of earth is taken to be zero because the earth is good:

Question # 7

The product of resistance and capacitanc eis.

Question # 8

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

Question # 9

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

Question # 10

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

Question # 11

The middle region of electric field is:

Question # 12

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

Question # 13

The electrons in one coulomb change is equal to.

Question # 14

The process of copying is:

Question # 15

Presence of dielectric always.

Question # 16

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

Question # 17

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

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 Charge carriers in electrolytes are.
A. Protons
B. Electrons
C. Holes
D. Positive and Negative ions
2 If F1 and F2 are teh magnetic forces acting on a particle and electron respectively when moving perpendicular to the magnetic field then.
A. F1=F2
B. F1>F2
C. F1<F2
D. F1 = 4F2
3 Some charge is being given to a conductor. Then its potencial
A. Its maximum at surface
B. Its maximum at Its maximum at center
C. Is remain same throughout the conductor
D. Is maximum somewhere between surface and centre
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
A. 1.2 x 104 N/C
B. 1.2 x 104 C/N
C. 8.3 x 102 N/C
D. 8.3 x 10-2 N/C
5 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
6 The leV =
A. 1.6x10-19C
B. 1.6x10-11J
C. 1.6x10-19J
D. 1.6x10-11C
7 Selenium is
A. Insulator is dark
B. Insulator in light
C. Conductor in dark
D. Semi conductor in dark
8 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
9 In Millikan's oil drop experiment a charged particle of mass 'm' is in equilibrium in an will
A. Zero
B. g/2
C. g
D. 2g
10 Farad is defined as
A. "Coulomb/Volt
B. Ampere /Volt
C. Coulomb /Joule
D. Volt/Coulomb

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