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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
00:00
Question # 1
Electric potential of earth is taken to be zero because the earth is good
Question # 2
The unit of conductance is
Question # 3
A 100 W, 200 V bulb is connected to a 160 volts supply. The actual power consumption would be
Question # 4
Some charge is being given to a conductor. Then its potential
Question # 5
The electric flux from a closed surface
Question # 6
At any point on the right bisector of the line joining two equal and opposite charges
Question # 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
Question # 8
Physicist George Simon ohm was a
Question # 9
The graphical representation of ohm's law is
Question # 10
Current provided by a battery is maximum when
Question # 11
Which one of the following has larger value of relative permitivity Erat room temperature?
Question # 12
A metal plate of thickness half the separation between the capacitor plates of capacitance C is inserted. The new capacitance is
Question # 13
In a voltmeter the conduction takes place due to
Question # 14
The electric field due to an infinite long thin wire at a distance R varies as
Question # 15
The charge carriers in gases are
Question # 16
The SI unit of conductivity is
Question # 17
The colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is
Question # 18
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 # 19
The force of repulsion between two point charges is F, when these are at a distance 0.1 m apart. Now the point charges are replaced by sphere of radii 5 cm each having the same charge as that of the respective point charges. The distance between their centre is again kept 0.1 m ; then the force of repulsion will
Question # 20
The electrode connected with the positive terminal of the current source is called
Question # 21
A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor
Question # 22
Consider a spherical shell of metal at he centre of which a positive point charge is kept
Question # 23
Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10Ωwhen a potential difference of 20 V is applied between its ends
Question # 24
If the two charges in Coulomb's law have double distance between them, then electric force
Question # 25
Coulomb force, when any material medium is placed between two charges
Question # 26
The conductivity of a superconductor is
Question # 27
Free electrons are
Question # 28
A cube of metal is given a positive charge Q. For the above system, which of the following statements is true?
Question # 29
The thermistors are usually made of
Question # 30
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
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 -
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 -
Z Zaka Ullah 09 - Nov - 2024 07 Min 20 Sec 60/120 -
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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 -
M Mehpara Khatoon 07 - Aug - 2024 24 Min 16 Sec 55/120
ECAT Physics Chapter 12 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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 |
A. 0.1 watt
B. 1 watt
C. 10 watt
D. 100 watt
|
| 2 | Which one of the following has larger value of relative permitivity Erat room temperature? |
A. Vaccum
B. Air
C. Glass
D. Water
|
| 3 | Battery is charged in motor cars, which is based on |
A. Chemical effect
B. Magnetic effect
C. Electric effect
D. None
|
| 4 |
|
A. 5μF
B. 10μF
C. 3μF
D. 6μF
|
| 5 | Electric flux is defined by the relation |
A. E.A.
B. E x A
C. E/A
D. none of these
|
| 6 | Coulomb's force between two point charges depends upon |
A. Magnitude of charges
B. Distance between them
C. Medium in which they are located
D. All of the above
|
| 7 | Ohm established a relation between |
A. voltage and resistance
B. voltage and charge
C. voltage and current
D. voltage resistance and charge
|
| 8 | 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
|
| 9 | The fractional change in resistance per kelvin is known as |
A. temperature coefficient
B. resistance coefficient
C. super temperature
D. critical temperature
|
| 10 | 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
|
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