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

A wire is bent into a ring of radius R is given a charge q. The magnitude of the electrical field at the centre of the ring is

Question # 2

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

Question # 3

The resistance of the given conductor can be increased by

Question # 4

A proton is about 1840 times heavier than an electron. When it is accelerated by a potential difference of 1 KV, its kinetic energy will be

Question # 5

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

Question # 6

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

Question # 7

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 # 8

Ohm established a relation between

Question # 9

The dot product of electric field intensity E and vector area A is called

Question # 10

Free electrons are

Question # 11

Two point charges A and B separated by a distance R attract each other with a force of 12 x 10-3N. The force between A and B when the charges on them are doubled and distance is halved

Question # 12

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

Question # 13

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

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

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

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 Electron volt is the unit of
A. Potential difference
B. Energy
C. Resistance
D. Capacitance
2 The unit of resistivity is
A. ohm
B. ohm-m2
C. ohm-meter
D. ohm-m-1
3 An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be
A. 1 MeV
B. 2 MeV
C. 4 MeV
D. 8 MeV
4 The value of electrical constant of proportionality k is
A. 9 x 109Nm2C-2
B. 9 x 10-9Nm2C-2
C. 9 x 1010Nm2C2
D. 9.85 x 10-12N-1C-2
5 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
6 Electric potential of earth is taken to be zero because the earth is good
A. Semiconductor
B. Conductor
C. Insulator
D. Dielectric
7 The colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is
A. 21 x 103+ 10%
B. 23 x 101+ 10%
C. 21 x 103+ 5%
D. 12 x 103+ 5%
8 The earth's potential is taken as
A. Negative
B. Positive
C. Zero
D. Infinite
9 One coulomb of charge is created by
A. 10 electrons
B. 1.6 x 10-19electrons
C. 6.25 x 1018electrons
D. 6.25 x 1021electrons
10 The liquid which conduct current is known as
A. heating effect
B. chemical energy
C. electrolyte
D. ohm's law

Test Questions

Is this page helpful?

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!