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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  • Total Questions17

  • Time Allowed20

Physics ICS Part 2 Chapter 12 Online MCQ's Test

00:00
Question # 1

NC-1 is the SI unit is

Question # 2

Electric intensity due to an infinite sheet of charge is:

Question # 3

Dielectric constant εr for air is:

Question # 4

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

Question # 5

Drum of photocopier is made of.

Question # 6

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 # 7

Concept of electric field lines was given by:

Question # 8

The electric intensity at infinite distance from the point charge is

Question # 9

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

Question # 10

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

Question # 11

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.

Question # 12

A capacitor is perfect in insulator for.

Question # 13

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

Question # 14

Which one of the following is correct

Question # 15

The product of resistance and capacitanc eis.

Question # 16

For computation of electric flux, the surface area should be.

Question # 17

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?

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12th Chapter

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 if time constant in RC series circuit is small, then capacitor is charged or discharged.
A. Slowly
B. Rapidly
C. At constant rate
D. Intermittently
2 The electrical intensity is equal to:
A. -Δr/Δv
B. Δv/Δr
C. Δv/Δv
D. -Δv/Δr
3 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
4 Due to polarization, electric field E.
A. Increase
B. Decrease
C. First increases then decreases
D. Remain same
5 The electric intensity at infinite distance from the point charge is
A. Infinite
B. Zero
C. Positive
D. Negative
6 Selenium is a
A. Insulator
B. Photoconductor
C. Conductor
D. First insulator then conductor
7 Electric flux is a:
A. Scalar quantity 
B. Vector quantity
C. Variable quantity
D. None of these
8 The process of copying is:
A. Axillugraphy 
B. Chromatography
C. Xerography
D. Spectrography
9 If the potential difference across two plates of capacitor is doubled, then energy stored in it will be.
A. Two times
B. Eight times
C. Four times
D. Remain same
10 A changing electric flux creates.
A. Electric fields
B. Gravitational
C. Magnetic field
D. Electric charge

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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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