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 electric flux is
Question # 2
In bringing an electron towards another electron, electrostatic potential energy of system
Question # 3
Thermocouple is an arrangement of two different metals
Question # 4
If a 40 watt light bulb burns for 2 hours. how much heat is generated
Question # 5
The charge per unit time through any cross-section of a conductor is called
Question # 6
The fractional change in resistance per kelvin is known as
Question # 7
The SI unit of permitivity is
Question # 8
The earth's potential is taken as
Question # 9
If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy
Question # 10
The unit of resistivity is
Question # 11
Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained?
Question # 12
An electron of charge e coulomb passes through a potential difference of V volts its energy in joules will be
Question # 13
A parallel plate capacitor is first charged and then a dielectric slab is introduced between the plates. The quantity that remains unchanged is
Question # 14
Heating effect caused by an electric circuit is written
Question # 15
In case of a parallel plate capacitor if the plate separation is doubled and plate area is halved, the capacitance becomes
Question # 16
If two bulbs one of 60 W and other of 100 W are connected in parallel, then which one of the following will flow more?
Question # 17
The relation between the charge Q of a parallel plate capacitor and the P.D between its plates is
Question # 18
Two point charge +3μC and +8μC repel each other with a force of 40 N. If a charge of -5μC is added to each of them, then the force between then will become
Question # 19
The unit of resistance is
Question # 20
A conducting wire is drawn to double its length. Final resistivity of the material will be
Question # 21
Resistance of a conductor is increased, the currant will
Question # 22
Free electrons are
Question # 23
The graphical representation of ohm's law is
Question # 24
A ten ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts
Question # 25
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 # 26
One coulomb of charge is created by
Question # 27
What is the current is a 2 x 106ohm resistor having a potential difference of 2 x 103volts?
Question # 28
One electron volt is equal to
Question # 29
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 # 30
Cause of heat production in a current carrying conductor is
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 -
H Hanook Masih 25 - Sep - 2024 12 Min 15 Sec 75/120 -
U usman gujjar 02 - Dec - 2024 07 Min 03 Sec 70/120 -
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 -
1 123 Abcd 07 - Nov - 2024 12 Min 46 Sec 55/120 -
A Abdul rafay Malghani 02 - Dec - 2024 14 Min 25 Sec 55/120
ECAT Physics Chapter 12 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A ten ohm electric heater operates on a 110 V line. Calculate the rate at which it develops heat in watts |
A. 1310 W
B. 670 W
C. 810 W
D. 1210 W
|
| 2 | 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
|
| 3 | Ohm established a relation between |
A. voltage and resistance
B. voltage and charge
C. voltage and current
D. voltage resistance and charge
|
| 4 | The nature of capacity of electrostatic capacitor depends on |
A. Shape
B. Size
C. Thickness of plates
D. Area
|
| 5 | What is the current is a 2 x 106ohm resistor having a potential difference of 2 x 103volts? |
A. 10-1A
B. 10-2A
C. 10-4A
D. 1 mA
|
| 6 | Electron volt is the unit of. |
A. Potential difference
B. Energy
C. Resistance
D. Capacitance
|
| 7 | For two resistance wires joined in parallel, the resultant resistance is 6/5 ohm. When one of the resistance wire breaks, the effective resistance becomes 2 ohm. The resistance of the broken wire is |
A. 3/5 ohm
B. 2 ohm
C. 6/5 ohm
D. 3 ohm
|
| 8 | The SI unit of conductivity is |
A. ohm-m
B. ohm-1m-1
C. ohm-m-1
D. ohm-1m
|
| 9 | The electric lines of force are |
A. Imaginary
B. Physically existing everywhere
C. Physically existing near the charge
D. All of the above
|
| 10 | 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
|
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