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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
When a dielectric material is introduced between the plates of a charged condenser the electric field between the plates
Question # 2
The thermistors are usually made of
Question # 3
The electric flux is linked with a surface will be maximum when
Question # 4
A (100 W , 200 W) bulb is connected to a 160 V power supply. The power consumption would be
Question # 5
Electric flux is defined by the relation
Question # 6
One electron volt is equal to
Question # 7
Coulomb force, when any material medium is placed between two charges
Question # 8
If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy
Question # 9
A capacitor is charged with a battery and then it is disconnected. A slab of dielectric is now inserted between the plates, then
Question # 10
Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be
Question # 11
The SI unit of electric flux is
Question # 12
Electron volt is the unit of.
Question # 13
In case of a parallel plate capacitor if the plate separation is doubled and plate area is halved, the capacitance becomes
Question # 14
If the two charges in Coulomb's law have double distance between them, then electric force
Question # 15
Three resistors of resistance 2,3 and 6 ohms are connected in parallel, their equivalent resistance is
Question # 16
Force acting upon a charged particle kept between the plates of a charged condenser if F. IF one of the plates of the condenser is removed, force acting on the same will become
Question # 17
Battery is charged in motor cars, which is based on
Question # 18
Solar cell converts sunlight directly into
Question # 19
In a charged capacitor the energy is stored in
Question # 20
Which of the following does not obey ohm's law?
Question # 21
The SI unit of current is
Question # 22
The earth's potential is taken as
Question # 23
In Pakistan electricity is supplied for domestic use at 220 V, it is supplied at 110 V in USA. If the resistance of a 60 W bulb for use in Pakistan is R, the resistance of a 60 W bulb for use in USA will be
Question # 24
Which one of the following has larger value of relative permitivity Erat room temperature?
Question # 25
If the distance between the plates of a parallel plate condenser of capacity 10μF is doubled then new capacity will be
Question # 26
If we plot graph between potential difference (V) and current (I) obeying ohm's law, it will give us
Question # 27
Ohm is the unit of
Question # 28
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
Question # 29
Electric generators which convert mechanical energy into
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
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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 Humera Noor 27 - Dec - 2024 19 Min 28 Sec 65/120
ECAT Physics Chapter 12 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | If we increase the distance between two plates of the capacitor, the capacitance will |
A. Increase
B. Decrease
C. Remain same
D. First increase then decrease
|
| 2 | When an electron is accelerated through a P.D. of an one volt, it will acquire energy equal to |
A. One joule
B. One erg
C. One electron volt
D. None of these
|
| 3 | A 100 W, 200 V bulb is connected to a 160 volts supply. The actual power consumption would be |
A. 64 W
B. 80 W
C. 100 W
D. 125 W
|
| 4 | Which of the following represents an electric current? |
A. C-1
B. CS-1
C. J.S-1
D. dynes-1
|
| 5 | The ohm's is defined as |
A. 1 ampere / 1 volts
B. 1 coulomb / 1 volt
C. 1 volt / 1 ampere
D. 1 volt / 1 coulomb
|
| 6 | The relation between charge 'Q' and current 'I' is given by |
A. Q = I/t
B. Q = It
C. Q = I2t
D. Q = I2/t
|
| 7 | The unit of intensity of electric field is |
A. newton/coluomb
B. jule/coluomb
C. volt x metre
D. newton/metre
|
| 8 | The unit of resistivity is |
A. ohm
B. ohm-m2
C. ohm-meter
D. ohm-m-1
|
| 9 | A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance |
A. Increase k time
B. Decreases k times
C. Decreases 1/K times
D. Remains unchanged
|
| 10 | 106electrons are moving through a wire per second, the current developed is |
A. 1.6 x 10-19
B. 1 A
C. 1.6 x 10-15 A
D. 106A
|
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