ECAT Pre Computer Science Chapter 12 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 12 Electrostatics

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

  • Total Questions15

  • Time Allowed20

Start Test Download PDF

ECAT Physics Chapter 12 Electrostatics

00:00
Question # 1

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

Question # 2

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

Question # 3

The graphical representation of ohm's law is

Question # 4

Which one of the following causes production of heat when current is set up in a wire?

Question # 5

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

Question # 6

The earth's potential is taken as

Question # 7

A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance

Question # 8

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

Question # 9

If one volt is needed to cause a current of one ampere to flow in a conductor, its resistance is

Question # 10

The minimum charge on any object can not be less than

Question # 11

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

Question # 12

Cause of heat production in a current carrying conductor is

Question # 13

The force between two chares 0.06 m apart is 5 N. If each charge is moved towards the other by 0.01 m, then the force between them will become

Question # 14

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

Question # 15

The powers of tow electric bulbs are 100 W and 200 W. Both of them are joined with 220 V mains. The ratio of resistances of their filaments will be

Submit

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


Topic Test

00:00
Submit

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

  • A
    Anayat Ali 04 - Apr - 2024 01 Min 07 Sec 60/60
  • A
    Abdullah 07 - Mar - 2024 08 Min 13 Sec 60/60
  • A
    Alishba Farooq 08 - Mar - 2024 16 Min 42 Sec 55/60
  • A
    Abdullah Baloch 28 - Jul - 2024 00 Min 21 Sec 50/60
  • I
    iqra ashfaq 02 - Mar - 2024 00 Min 10 Sec 40/60
  • M
    Malik Mureed Awan 02 - Dec - 2024 01 Min 58 Sec 40/60
  • M
    mashal zainab 11 - Mar - 2024 05 Min 58 Sec 40/60
  • I
    Inamurehman rehmanbajwa 27 - May - 2024 10 Min 39 Sec 40/60
  • S
    sweet home 17 - Dec - 2024 15 Min 50 Sec 40/60
  • H
    hamid shoukat 25 - Nov - 2025 16 Min 32 Sec 36/60
  • L
    Lozina Jalil 29 - Aug - 2024 03 Min 13 Sec 35/60
  • S
    Salvaa Sheikh 20 - Sep - 2024 03 Min 21 Sec 35/60
  • S
    Sohaib Ali 13 - Oct - 2024 04 Min 38 Sec 35/60
  • H
    hareema gull 27 - May - 2024 06 Min 28 Sec 35/60
  • M
    Muhammad Abdur.Rahman Khan 01 - Sep - 2024 07 Min 03 Sec 35/60

ECAT Physics Chapter 12 Important MCQ's

Sr.# Question Answer
1 The current through a metallic conductor is due to the motion of
A. protons
B. neutrons
C. electrons
D. free electrons
2 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
3 The electric field will be uniform
A. Near a positive point charge
B. Near a negative point charge
C. Between two oppositely charged parallel metal plates
D. None of above
4 The excess (equal in number) of electrons that must be placed on each of two small spheres spaced 3 cm apart, with force of repulsion between the spheres to be 10-19N, is
A. 25
B. 225
C. 625
D. 1250
5 The thermistors are usually made of
A. Metals with low temperature coefficient of resistivity
B. Metals with high temperature coefficient of resistivity
C. Metal oxides with high temperature coefficient of resistivity
D. Semi conducting materials having low temperature coefficient of resistivity
6 The minimum charge on any object can not be less than
A. 1.6 x 10-19C
B. 3.2 x 10-19C
C. 1.0 C
D. 4.8 x 10-19C
7 A current of 1.6 A is passed through a solution of CuSO4. How many Cu2+ions are liberated in one minute?
A. 3 x 1020
B. 3 x 1010
C. 6 x 1020
D. 6 x 1010
8 Electric potential of earth is taken to be zero because the earth is good
A. Semiconductor
B. Conductor
C. Insulator
D. Dielectric
9 The unit of conductance is
A. ohm
B. meter
C. mho
D. ohm-meter
10 The SI unit of permitivity is
A. Nm2C2
B. N-1m-2C2
C. NmC2
D. Nm2C-1

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!