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

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

Question # 2

The charge carriers in gases are

Question # 3

The SI unit of permitivity is

Question # 4

The energy required to charge a capacitor of 5μF by connecting D.C. source of 20 KV is

Question # 5

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

Question # 6

The SI unit of electric field intensity is

Question # 7

The minimum resistance that can be obtained by connecting 5 resistance of 1/4Ωeach is

Question # 8

The ratio of the gravitational force Fgto the electrostatic force Febetween two electrons at the same distance apart is approximately

Question # 9

A hollow insulated conduction sphere is given a positive charge of 10μC. What will be the electric field at the centre of the sphere if its radius is 2 meters?

Question # 10

A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?

Question # 11

Electric flux is defined by the relation

Question # 12

A car battery has e.m.f 12 volt and internal resistance 5 x 10-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be

Question # 13

Ohm established a relation between

Question # 14

In RC series circuit the time during which the capacitor acquires 0.63 times the equilibrium charge is called

Question # 15

A point charge A of charge +4μC and another B of charge -1μC are placed in air at a distance 1 m apart. Then the distance of the point on the line joining the charge B, where the resultant electric field is zero, is (in m)

Question # 16

One electron volt is equal to

Question # 17

The relation between charge 'Q' and current 'I' is given by

Question # 18

The resistance of a conductor does not depend on its

Question # 19

The electrode connected with the positive terminal of the current source is called

Question # 20

The electric intensity outside the two oppositely charged parallel metal plates is

Question # 21

Coulomb's force between two point charges depends upon

Question # 22

A cube of metal is given a positive charge Q. For the above system, which of the following statements is true?

Question # 23

The electric flux is linked with a surface will be maximum when

Question # 24

If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be

Question # 25

At ordinary temperature, an increase in temperature increases the conductivity of

Question # 26

A 50 volt battery is connected across 10 ohm resistor. The current is 4.5 A. The internal resistance of the battery is

Question # 27

Electric potential of earth is taken to be zero because the earth is good

Question # 28

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

Question # 29

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

Question # 30

Resistance of a conductor is increased, the currant will

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
  • F
    Fatima Anis 26 - Dec - 2024 13 Min 35 Sec 80/120
  • A
    Abdullah Zubair 25 - Dec - 2024 14 Min 30 Sec 80/120
  • H
    Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120
  • U
    usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120
  • H
    hussain naqvi 19 - Sep - 2024 18 Min 43 Sec 65/120
  • H
    Humera Noor 27 - Dec - 2024 19 Min 28 Sec 65/120
  • S
    suzi 10 - Feb - 2026 08 Min 22 Sec 64/120
  • Z
    Zaka Ullah 09 - Nov - 2024 07 Min 20 Sec 60/120
  • A
    Abdulrehman Haroon 26 - Sep - 2024 28 Min 20 Sec 60/120
  • 1
    123 Abcd 07 - Nov - 2024 12 Min 46 Sec 55/120
  • A
    Abdul rafay Malghani 02 - Dec - 2024 14 Min 25 Sec 55/120

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 Which one of the following causes production of heat when current is set up in a wire?
A. Fall of electrons from higher orbits to lower orbits
B. Inter-atomic collisions
C. Inter-electron collisions
D. Collisions of conduction electron with atoms
2 Thermocouple is an arrangement of two different metals
A. To convert heat energy in to electrical energy
B. To produce more heat
C. To convert heat energy into chemical energy
D. To convert electric energy in to heat energy
3 The capacity of a parallel plat capacitor depends on the
A. Type to metal used
B. Thickness of plates
C. Potential applied across the plates
D. Separation between the plates
4 For two resistance wires joined in parallel, the resultant resistance is 6/5 ohm. When one of the resistance wire breaks, the effective resistance becomes 2 ohm. The resistance of the broken wire is
A. 3/5 ohm
B. 2 ohm
C. 6/5 ohm
D. 3 ohm
5 Resistance of a conductor depends upon
A. the quantity of current passing through it
B. the voltage applied between its end
C. its dimensions, physical state and nature of its material
D. all of the above
6 If the distance between the plates of a parallel plate condenser of capacity 10μF is doubled then new capacity will be
A. 5μF
B. 20μF
C. 10μF
D. 15μF
7 When three identical bulbs of 60 watt, 200 volt rating are connected in series to a 200 volt supply, the power drawn by them will be
A. 180 watt
B. 10 watt
C. 20 watt
D. 60 watt
8 The nature of capacity of electrostatic capacitor depends on
A. Shape
B. Size
C. Thickness of plates
D. Area
9 A car battery has e.m.f 12 volt and internal resistance 5 x 10-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be
A. 5 volt
B. 3 volt
C. 15 volt
D. 9 volt
10 Coulomb force, when any material medium is placed between two charges
A. Increases
B. Decreases
C. Remain unchanged
D. None of these

Test Questions

Is this page helpful?