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

00:00
Question # 1

Identify the practical application of electrostatic force.

Question # 2

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

Question # 3

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

Question # 4

if time constant in RC series circuit is small, then capacitor is charged or discharged.

Question # 5

The electric field created by positive charge is

Question # 6

The number of lines per unit area passing perpendicular through an area is called

Question # 7

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:

Question # 8

Farad is defined as

Question # 9

Electron volt is the unit of.

Question # 10

A capacitor is perfect in insulator for.

Question # 11

The relative permitivity of air is

Question # 12

The force of Neutron due to field of 102 N/C is.

Question # 13

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 # 14

Metals are good conductors of electricity because they have

Question # 15

Presence of dielectric always.

Question # 16

The fact that electric field exist in space around an electrical charge is

Question # 17

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

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ICS Part 2 Physics Chapter 12 Online Test MCQ's

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FSc Part II Physics Chapter 0 Important MCQ's

Sr.# Question Answer
1 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
2 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
3 Identify the practical application of electrostatic force.
A. Inkjet printer
B. x rays
C. Laser
D. A.C. Generator
4 Electric potencial of earth is taken to be zero because the earth is good:
A. Semiconductor
B. Conductor
C. Insulator
D. Dielectric
5 Flux through any closed surface is:
A. 1/ε2 times the total charge enclosed in it
B. ε2 time the total charge enclosed in it
C. 1/ε ties the total charge enclosed in ti
D. ε time the total charge enclosed in it
6 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
7 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
8 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:
A. 1884 ke V
B. 1/1840 keV
C. 1 keV
D. 920 keV
9 Electric field intensity at a point is defined by the relation.
A. E= q/F
B. E = F/q
C. E = qF
D. E = F/q2
10 A capacitor is perfect in insulator for.
A. Alternating current
B. Sparking current
C. Eddy current
D. Direct current

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  • Iftikhar

    Iftikhar

    26 Sep 2020

    Gg

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  • Tooba

    Tooba

    23 Dec 2018

    I got 16/17 in 1 mint and 26 seconds it is very helpful

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