Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
.gif)
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
If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy
Question # 2
The thermistors are usually made of
Question # 3
Magnetic effect at a point caused due to flow a current depend upon the
Question # 4
Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be
Question # 5
Resistor is a device which convert electric energy to
Question # 6
The energy required to charge a capacitor of 5μF by connecting D.C. source of 20 KV is
Question # 7
A 10 F capacitor is charged to a potential difference of 50 V and is connected to another uncharged capacitor in parallel. Now the common potential difference becomes 20 volt.The capacitance of second capacitor is
Question # 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
Question # 9
The SI unit of electric field intensity is
Question # 10
Capacitance of two or more capacitors
Question # 11
The charge per unit time through any cross-section of a conductor is called
Question # 12
The capacity of a parallel plat capacitor depends on the
Question # 13
A hollow insulated conduction sphere is given a positive charge of 10μC. What will be the electric field at the centre of the sphere if its radius is 2 meters?
Question # 14
At any point on the right bisector of the line joining two equal and opposite charges
Question # 15
The current through a metallic conductor is due to the motion of
Question # 16
Physicist George Simon ohm was a
Question # 17
A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy
Question # 18
A (100 W , 200 W) bulb is connected to a 160 V power supply. The power consumption would be
Question # 19
The electric intensity at infinite distance from the point charge will be
Question # 20
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 # 21
The unit of intensity of electric field is
Question # 22
The charge carriers in gases are
Question # 23
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
Question # 24
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 # 25
The electric field intensity at a point due to a point charge
Question # 26
A charge Q is divided into two parts q and Q - q and separated by a distance R. The force of repulsion between them will be maximum when
Question # 27
A car battery has e.m.f 12 volt and internal resistance 5 x 10-2ohm. If it draws 60 ampere current, the terminal voltage of the battery will be
Question # 28
The conductivity of a superconductor is
Question # 29
Thermocouple is an arrangement of two different metals
Question # 30
The nature of capacity of electrostatic capacitor depends on
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 -
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 -
S suzi 10 - Feb - 2026 08 Min 22 Sec 64/120
ECAT Physics Chapter 12 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The charge per unit time through any cross-section of a conductor is called |
A. capacitance
B. electric power
C. current
D. potential difference
|
| 2 | A one microfarad capacitor of a TV is subjected to 4000 V potential difference. The energy stored in capacitor is |
A. 8 J
B. 16 J
C. 4 x 10-3J
D. 2 x 10-3J
|
| 3 | The graphical representation of ohm's law is |
A. hyperbola
B. straight line
C. ellipse
D. parabola
|
| 4 | Coulomb force, when any material medium is placed between two charges |
A. Increases
B. Decreases
C. Remain unchanged
D. None of these
|
| 5 | If one volt is needed to cause a current of one ampere to flow in a conductor, its resistance is |
A. one ohm
B. one joule
C. one volt
D. one ampere
|
| 6 | The fractional change in resistance per kelvin is known as |
A. temperature coefficient
B. resistance coefficient
C. super temperature
D. critical temperature
|
| 7 | 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
|
| 8 | 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
|
| 9 | Which of the following does not obey ohm's law? |
A. Copper
B. Al
C. Diode
D. None
|
| 10 | 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 |
A. 1/3 V
B. 2/3 V
C. 3/2 V
D. 3V
|
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