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MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 12 Electrostatics
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Total Questions30
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Time Allowed30
Physics ECAT Pre Engineering Chapter 12 Electrostatics
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Question # 1
A certain charge liberates 0.8 g of oxygen. The same charge will liberate. how many g of silver?
Question # 2
The resistance of an incandescent lamp is
Question # 3
Coulomb's force between two point charges depends upon
Question # 4
The conductivity of a superconductor is
Question # 5
The minimum charge on any object can not be less than
Question # 6
A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?
Question # 7
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 # 8
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 # 9
Equal charges are given to two spheres of different radii. The potential will
Question # 10
At ordinary temperature, an increase in temperature increases the conductivity of
Question # 11
Magnetic effect at a point caused due to flow a current depend upon the
Question # 12
The electric field will be uniform
Question # 13
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 # 14
Potentiometer is more sensitive than voltmeter, because
Question # 15
The potential difference across the conductors should be maintained constant by connecting the ends of wire to the terminal of a device called a source of
Question # 16
Current provided by a battery is maximum when
Question # 17
The charge carriers in electrolyte are positive and negative
Question # 18
A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor
Question # 19
When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates
Question # 20
Three resistors of resistance 2,3 and 6 ohms are connected in parallel, their equivalent resistance is
Question # 21
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 # 22
The nature of capacity of electrostatic capacitor depends on
Question # 23
An electric charge at rest is
Question # 24
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 # 25
The conventional current in a circuit is defined as " current which passes from a point at higher potential to a point at lower potential as if it represent a movement of
Question # 26
The SI unit of permitivity is
Question # 27
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)
Question # 28
Which one of the following is the unit of electric field intensity
Question # 29
In a voltmeter the conduction takes place due to
Question # 30
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
Top Scorers Of Physics ECAT Pre Engineering Chapter 12 Electrostatics MCQ`s Test
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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 -
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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 -
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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 | Specific resistance of a wire depends upon |
A. Length
B. Cross-section area
C. Mass
D. None
|
| 2 | The SI unit of current is |
A. watt
B. coulomb
C. volt
D. ampere
|
| 3 | A wire of radius r has resistance R. If it is stretched to a wire of r/2 radius, then the resistance becomes |
A. 2R
B. 4R
C. 16R
D. Zero
|
| 4 | The SI unit of electric field intensity is |
A. CN-1
B. NC-1or Vm-1
C. JC-1
D. AV-1
|
| 5 | Ohm established a relation between |
A. voltage and resistance
B. voltage and charge
C. voltage and current
D. voltage resistance and charge
|
| 6 | Equal charges are given to two spheres of different radii. The potential will |
A. Be more on the smaller sphere
B. Be more on the bigger sphere
C. Be equal on both the sphere
D. Depend on the nature of the material of the sphere
|
| 7 | One moving a charge of 20 coulombs by 2 cm, 2 J of work is done, then the potential difference between the points is |
A. 0.1 V
B. 8 V
C. 2 V
D. 0.5 V
|
| 8 | A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is |
A. C
B. C/2
C. Zero
D. 2C
|
| 9 | If electric and gravitational force on an electron in a uniform electric field will be |
A. E=mg/q
B. E=q/mg
C. E=,g/q
D. E=qg/m
|
| 10 | The SI unit of electric flux is |
A. Weber
B. Nm2C-1
C. NmC-1
D. Nm-2C
|
Test Questions
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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