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

Cause of heat production in a current carrying conductor is

Question # 2

The conductivity of a superconductor is

Question # 3

Consider a spherical shell of metal at he centre of which a positive point charge is kept

Question # 4

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 # 5

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

Question # 6

One moving a charge of 20 coulombs by 2 cm, 2 J of work is done, then the potential difference between the points is

Question # 7

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

Question # 8

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

Question # 9

If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy

Question # 10

The thermistors are usually made of

Question # 11

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

Question # 12

A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor

Question # 13

Electric flux is defined by the relation

Question # 14

One coulomb per second is equal to

Question # 15

The speed of randomly moving electrons depends upon

Question # 16

Battery is charged in motor cars, which is based on

Question # 17

The SI unit of conductivity is

Question # 18

In Pakistan electricity is supplied for domestic use at 220 V, it is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in Pakistan is R, the resistance of a 60 W bulb for use in USA will be

Question # 19

A conducting wire is drawn to double its length. Final resistivity of the material will be

Question # 20

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

Question # 21

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

Question # 22

The potential difference across each resistance in series combination is

Question # 23

A current of 1.6 A is passed through a solution of CuSO4. How many Cu2+ions are liberated in one minute?

Question # 24

Specific resistance of a wire depends upon

Question # 25

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

Question # 26

If a charged spherical conductor of radius 10 cm has potential V at a point distance 5 cm from its centre, then the potential at a point distance 15 cm from the centre will be

Question # 27

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

Question # 28

The unit of resistivity is

Question # 29

Resistance of a conductor depends upon

Question # 30

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

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
  • C
    Ch Ubaid Ullah 06 - Mar - 2026 17 Min 40 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
  • 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
  • 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

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 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
2 A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is
A. C
B. C/2
C. Zero
D. 2C
3 106electrons are moving through a wire per second, the current developed is
A. 1.6 x 10-19
B. 1 A
C. 1.6 x 10-15 A
D. 106A
4 Electron volt is the unit of.
A. Potential difference
B. Energy
C. Resistance
D. Capacitance
5 The unit of resistivity is
A. ohm
B. ohm-m2
C. ohm-meter
D. ohm-m-1
6 The conductivity of a superconductor is
A. Infinite
B. Very large
C. Very small
D. Zero
7 In bringing an electron towards another electron, electrostatic potential energy of system
A. Decreases
B. Increases
C. Remains uncharged
D. Becomes zero
8 A uniform resistance wire of Length L and diameter d has a resistance R. Another wire of same material has length, 4L and diameter 2d, the resistance will be
A. 2 R
B. R
C. R/2
D. R/4
9 The material in the form of wire or rod or plate which leads the current into or cut of the electrolyte is known as
A. voltmeters
B. resistance
C. electrode
D. current
10 The SI unit of current is
A. watt
B. coulomb
C. volt
D. ampere

Test Questions

Is this page helpful?