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 condenser of capacity 50μF is charged to 10 V.The energy stored is

Question # 2

In a charged capacitor the energy is stored in

Question # 3

At any point on the right bisector of the line joining two equal and opposite charges

Question # 4

A closed surface contains two equal and opposite charges. The net electric flux from the surface will be

Question # 5

Physicist George Simon ohm was a

Question # 6

When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates

Question # 7

Ohm's law states that

Question # 8

The ohm's is defined as

Question # 9

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 # 10

The relation between the charge Q of a parallel plate capacitor and the P.D between its plates is

Question # 11

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

Question # 12

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

Question # 13

One electron volt is equal to

Question # 14

A (100 W , 200 W) bulb is connected to a 160 V power supply. The power consumption would be

Question # 15

Equal charges are given to two spheres of different radii. The potential will

Question # 16

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

Question # 17

Resistor is a device which convert electric energy to

Question # 18

The SI unit of conductivity is

Question # 19

The capacitance of a parallel plate capacitor depends upon

Question # 20

An electric charge at rest is

Question # 21

Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10Ωwhen a potential difference of 20 V is applied between its ends

Question # 22

If we increase the distance between two plates of the capacitor, the capacitance will

Question # 23

Electric generators which convert mechanical energy into

Question # 24

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

Question # 25

Capacitance of two or more capacitors

Question # 26

Specific resistance of a wire depends upon

Question # 27

If the distance between the plates of a parallel plate condenser of capacity 10μF is doubled then new capacity will be

Question # 28

The graphical representation of ohm's law is

Question # 29

A 60 W bulb operates on 220 V supply. The current flowing through the bulb is

Question # 30

The concept of field theory was put forward by

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 A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?
A. 108 g
B. 10.8 g
C. 0.8 g
D. 108/0.8 g
2 The speed of randomly moving electrons depends upon
A. pressure
B. volume
C. temperature
D. mass
3 Electron volt is the unit of
A. Potential difference
B. Energy
C. Resistance
D. Capacitance
4 Some charge is being given to a conductor. Then its potential
A. Is maximum at surface
B. Is maximum at centre
C. Is remain same throughout the conductor
D. Is maximum somewhere between surface and centre
5 The charge carriers in electrolyte are positive and negative
A. protons
B. electrons
C. ions
D. none of these
6 In bringing an electron towards another electron, electrostatic potential energy of system
A. Decreases
B. Increases
C. Remains uncharged
D. Becomes zero
7 The electric intensity outside the two oppositely charged parallel metal plates is
A. Maximum
B. Minimum
C. Zero
D. Infinite
8 If the length of the conductor is double and its cross sectional area is halved, its conductance will
A. Increase four fold
B. Become one-fourth
C. Become one-half
D. Remains unchanged
9 The electric flux from a closed surface
A. Is independent of the shape of the surface
B. Depends on the charge enclosed by the surface
C. Both a and b
D. None of the above
10 A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance
A. Increase k time
B. Decreases k times
C. Decreases 1/K times
D. Remains unchanged

Test Questions