ECAT Pre Engineering Physics Chapter 12 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

Physics ECAT Pre Engineering Chapter 12 Electrostatics

00:00
Question # 1

Which one of the following has larger value of relative permitivity Erat room temperature?

Question # 2

The unit of conductance is

Question # 3

The statement "the electric force of repulsion or attraction between two point charges is directly proportional to the product of the charges and inversely proportional to square of the distance between them" refer to

Question # 4

Which of the following represents an electric current?

Question # 5

Ohm is the unit of

Question # 6

Magnetic effect at a point caused due to flow a current depend upon the

Question # 7

The electric field will be uniform

Question # 8

If the length of the conductor is double and its cross sectional area is halved, its conductance will

Question # 9

The substances whose resistance decreases with the increase in temperature these substances have coefficient of

Question # 10

The unit of resistance is

Question # 11

In a charged capacitor the energy is stored in

Question # 12

When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to

Question # 13

Resistance of a conductor is increased, the currant will

Question # 14

A parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. The quantity that remains unchanged is

Question # 15

The electric intensity at infinite distance from the point charge will be

Question # 16

The electric flux from a closed surface

Question # 17

The potential difference across the conductors should be maintained constant by connecting the ends of wire to the terminal of a device called a source of

Question # 18

In bringing an electron towards another electron, electrostatic potential energy of system

Question # 19

The charge per unit time through any cross-section of a conductor is called

Question # 20

Heating effect caused by an electric circuit is written

Question # 21

Specific resistance of a wire depends upon

Question # 22

One joule is equal to

Question # 23

106electrons are moving through a wire per second, the current developed is

Question # 24

Which of the following does not obey ohm's law?

Question # 25

A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then

Question # 26

The colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is

Question # 27

If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be

Question # 28

An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be

Question # 29

The fractional change in resistance per kelvin is known as

Question # 30

Two point charge +3μC and +8μC repel each other with a force of 40 N. If a charge of -5μC is added to each of them, then the force between then will become

Submit

Prepare Complete Set Wise Physics ECAT Pre Engineering Chapter 12 Electrostatics MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of Physics ECAT Pre Engineering Chapter 12 Electrostatics MCQ`s Test

  • M
    Mehreen Ather 02 - Dec - 2024 30 Min 19 Sec 90/120
  • S
    Salvaa Sheikh 13 - Sep - 2024 24 Min 16 Sec 85/120
  • S
    Sualeh Murtaza 15 - Nov - 2024 05 Min 29 Sec 80/120
  • N
    Nitalaya Hassan 23 - Dec - 2024 06 Min 15 Sec 80/120
  • T
    Talha Khalil 18 - Jun - 2026 10 Min 55 Sec 80/120
  • F
    Fatima Anis 26 - Dec - 2024 13 Min 35 Sec 80/120
  • A
    Abdullah Zubair 25 - Dec - 2024 14 Min 30 Sec 80/120
  • C
    Ch Ubaid Ullah 06 - Mar - 2026 17 Min 40 Sec 80/120
  • A
    Ahmad Sufyan 05 - May - 2026 18 Min 20 Sec 80/120
  • H
    Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
  • F
    Furqan Asif 26 - Mar - 2026 36 Min 02 Sec 72/120
  • U
    usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120
  • T
    Taha 18 - Mar - 2026 17 Min 17 Sec 68/120
  • H
    hussain naqvi 19 - Sep - 2024 18 Min 43 Sec 65/120
  • H
    Humera Noor 27 - Dec - 2024 19 Min 28 Sec 65/120

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 The electric field intensity at a point due to a point charge
A. Falls off inversely as the distance
B. Falls off inversely as the square of distance
C. Remains unchanged with distance
D. Increase directly as square of distance
2 One moving a charge of 20 coulombs by 2 cm, 2 J of work is done, then the potential difference between the points is
A. 0.1 V
B. 8 V
C. 2 V
D. 0.5 V
3 The minimum resistance that can be obtained by connecting 5 resistance of 1/4Ωeach is
A. 4/5Ω
B. 5/4Ω
C. 20Ω
D. 0.05 Ω
4 Battery is charged in motor cars, which is based on
A. Chemical effect
B. Magnetic effect
C. Electric effect
D. None
5 A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor
A. Increases
B. Decreases
C. Remain unchanged
D. Becomes infinite
6 In a Milikian's oil drop experiment the charge on an oil drop is calculated to be 6.35 x 10-19C. The number of excess electrons on the drop is
A. 3.9
B. 4
C. 4.2
D. 6
7 An electric charge at rest is
A. Only an electric field
B. Only a magnetic field
C. Both electric and magnetic fields
D. None of the above
8 The ratio of the gravitational force Fgto the electrostatic force Febetween two electrons at the same distance apart is approximately
A. 9.8
B. 24 x 1019
C. 24 x 1042
D. 24 x 10-44
9 If 2.2 kilowatt power is transmitted through a 10 ohm line at 22000 volt, the power loss in the form of heat will be
A. 0.1 watt
B. 1 watt
C. 10 watt
D. 100 watt
10 A 100 W, 200 V bulb is connected to a 160 volts supply. The actual power consumption would be
A. 64 W
B. 80 W
C. 100 W
D. 125 W

Test Questions