Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
.jpg)
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
Physics ECAT Pre Engineering Chapter 12 Electrostatics
00:00
Question # 1
The SI unit of capacitance is
Question # 2
The SI unit of permitivity is
Question # 3
Free electrons are
Question # 4
One electron volt is equal to
Question # 5
A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then
Question # 6
A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance
Question # 7
If electric and gravitational force on an electron in a uniform electric field will be
Question # 8
The charge carriers in gases are
Question # 9
The SI unit of electric field intensity is
Question # 10
The electric lines of force are
Question # 11
A piece of fuse wire melts when a current of 15 ampere flows through it. With this current. If it dissipates 22.5 W, the resistance of fuse wire will be
Question # 12
What is the current is a 2 x 106ohm resistor having a potential difference of 2 x 103volts?
Question # 13
Coulomb force, when any material medium is placed between two charges
Question # 14
The energy stored in a charge capacitor
Question # 15
The unit of resistance is
Question # 16
The capacity of a parallel plat capacitor depends on the
Question # 17
The electrode connected with the positive terminal of the current source is called
Question # 18
The resistance of a conductor does not depend on its
Question # 19
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
Question # 20
A ten ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts
Question # 21
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
Question # 22
In a voltmeter the conduction takes place due to
Question # 23
An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be
Question # 24
If we plot graph between potential difference (V) and current (I) obeying ohm's law, it will give us
Question # 25
The ohm's is defined as
Question # 26
If the two charges in Coulomb's law have double distance between them, then electric force
Question # 27
The statement "the electric force of repulsion or attraction between two point charges is directly proportional to the product of the charges and inversely proportional to square of the distance between them" refer to
Question # 28
The concept of field theory was put forward by
Question # 29
Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then
Question # 30
A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?
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 | 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 |
A. 3.9
B. 4
C. 4.2
D. 6
|
| 2 | The minimum resistance that can be obtained by connecting 5 resistance of 1/4Ωeach is |
A. 4/5Ω
B. 5/4Ω
C. 20Ω
D. 0.05 Ω
|
| 3 | An electron of charge e coulomb passes through a potential difference of V volts its energy in joules will be |
A. V/e
B. eV
C. e/V
D. V
|
| 4 | 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%
|
| 5 | In a charged capacitor the energy is stored in |
A. Both in positive and negative charges
B. Positive charges
C. The edges of the capacitor plates
D. The electric field between the plates
|
| 6 | The electric flux is linked with a surface will be maximum when |
A. The surface is held parallel to the electric field
B. The surface is held perpendicular to the electric field
C. The surface makes an angle of 45° with the electric field
D. All of the above
|
| 7 | The resistance of an incandescent lamp is |
A. Smaller when switched on
B. Greater when switched off
C. The same whether it is switch off or switch on
D. Greater when switched on
|
| 8 | Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be |
A. 0.52 A
B. 1 mA
C. 0.7 mA
D. 1.4 A
|
| 9 | The potential difference across each resistance in series combination is |
A. same
B. different
C. zero
D. none of these
|
| 10 | Resistance of a conductor is increased, the currant will |
A. Decrease
B. Increase
C. Remain the same
D. None of these
|
Test Questions
Share your comments & questions here
fun day
02 Mar 2023Some answers are wrong
Hira arif
18 Jun 2019This website is grwst👍
Alisha
27 Apr 2019This website is great
baber
15 Feb 2019hi