Home
News
Colleges
Courses
Admission
Lectures
Online Test
Past Papers
Date Sheets
Results
Study Abroad
Jobs
Tutors
More
Apps
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
Two electric bulbs of 200 W and 100 W have same voltage. If R1and R2be their resistance respectively then
Question # 2
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
Question # 3
The electric field will be uniform
Question # 4
Which one of the following has larger value of relative permitivity Erat room temperature?
Question # 5
A capacitor of capacity 1μF is charged to 1 KV. The energy stored in J
Question # 6
The electric flux is linked with a surface will be maximum when
Question # 7
The SI unit of capacitance is
Question # 8
The value of electrical constant of proportionality k is
Question # 9
In a building, there are 15 bulbs of 40 watts, 5 bulbs of 100 watts, 5 fans of 80 watts and a heater of 1 kilowatt. The voltage of the electric main is 220 volts. The minimum efficiency of the main fuse of the building will be
Question # 10
The energy stored in a charge capacitor
Question # 11
The resistance of a conductor does not depend on its
Question # 12
A (100 W , 200 W) bulb is connected to a 160 V power supply. The power consumption would be
Question # 13
If the distance between the plates of a parallel plate condenser of capacity 10μF is doubled then new capacity will be
Question # 14
The colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is
Question # 15
A closed surface contains two equal and opposite charges. The net electric flux from the surface will be
Question # 16
The charge carriers in electrolyte are positive and negative
Question # 17
If the length of the conductor is double and its cross sectional area is halved, its conductance will
Question # 18
A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is
Question # 19
Electric generators which convert mechanical energy into
Question # 20
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 # 21
A wire of radius r has resistance R. If it is stretched to a wire of r/2 radius, then the resistance becomes
Question # 22
Resistor is a device which convert electric energy to
Question # 23
The graphical representation of ohm's law is
Question # 24
The resistance of the given conductor can be increased by
Question # 25
The unit of intensity of electric field is
Question # 26
An electric charge at rest is
Question # 27
The relation between charge 'Q' and current 'I' is given by
Question # 28
A conducting wire is drawn to double its length. Final resistivity of the material will be
Question # 29
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 # 30
Solar cell converts sunlight directly into
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 | The SI unit of electric field intensity is |
A. CN-1
B. NC-1or Vm-1
C. JC-1
D. AV-1
|
| 2 | Ohm established a relation between |
A. voltage and resistance
B. voltage and charge
C. voltage and current
D. voltage resistance and charge
|
| 3 | When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates |
A. Decreases
B. Increases
C. No change
D. May increase or decresase
|
| 4 | In bringing an electron towards another electron, electrostatic potential energy of system |
A. Decreases
B. Increases
C. Remains uncharged
D. Becomes zero
|
| 5 | An electric dipole is at the centre of a hollow sphere of radius r. The total normal electric flux through the sphere is (here Q is the charge and d is the distance between the two charges of the dipole) |
A. Q/4πr2
B. 2Q/4πr2
C. Q.d
D. Zero
|
| 6 | If the length of the conductor is double and its cross sectional area is halved, its conductance will |
A. Increase four fold
B. Become one-fourth
C. Become one-half
D. Remains unchanged
|
| 7 | If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy |
A. Ve
B. V/e
C. e/V
D. 2Ve
|
| 8 | 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
|
| 9 | The charge per unit time through any cross-section of a conductor is called |
A. capacitance
B. electric power
C. current
D. potential difference
|
| 10 | 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
|
Test Questions