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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
Three resistance 500,500 and 50 ohms are connected in series across 555 volts mains. The current flowing through them will be
Question # 2
The dot product of electric field intensity E and vector area A is called
Question # 3
Which of the following represents an electric current?
Question # 4
The relation V = IR represents
Question # 5
A sheet of aluminium foil of negligible thickness is introduced between the plates of a capacitor. The capacitance of the capacitor
Question # 6
If the two charges in Coulomb's law have double distance between them, then electric force
Question # 7
Solar cell converts sunlight directly into
Question # 8
If the length of the conductor is double and its cross sectional area is halved, its conductance will
Question # 9
Surface density of charge is defined as
Question # 10
The electric field due to an infinite long thin wire at a distance R varies as
Question # 11
The electric lines of force are
Question # 12
Electron volt is the unit of.
Question # 13
The electric potential at the surface of an atomic nucleus (Z = 50) of radius 9.0 x 10-15 is
Question # 14
A 60 W bulb operates on 220 V supply. The current flowing through the bulb is
Question # 15
An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be
Question # 16
Specific resistance of a wire depends upon
Question # 17
A closed surface contains two equal and opposite charges. The net electric flux from the surface will be
Question # 18
Three resistors of resistance R each are combined in various ways. Which of the following cannot be obtained?
Question # 19
The SI unit of capacitance is
Question # 20
If an electron of charge 'e' is accelerated through a potential difference V., it will acquire energy
Question # 21
Which one of the following causes production of heat when current is set up in a wire?
Question # 22
Physicist George Simon ohm was a
Question # 23
106electrons are moving through a wire per second, the current developed is
Question # 24
The potential difference across each resistance in series combination is
Question # 25
The electric field will be uniform
Question # 26
The capacitance of a parallel plate capacitor depends upon
Question # 27
Some charge is being given to a conductor. Then its potential
Question # 28
An electron of charge e coulomb passes through a potential difference of V volts its energy in joules will be
Question # 29
The conductivity of a superconductor is
Question # 30
The charge carriers in electrolyte are positive and negative
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 -
A Abdulrehman Haroon 26 - Sep - 2024 28 Min 20 Sec 60/120 -
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 | The unit of intensity of electric field is |
A. newton/coluomb
B. jule/coluomb
C. volt x metre
D. newton/metre
|
| 2 | Electric potential of earth is taken to be zero because the earth is good |
A. Semiconductor
B. Conductor
C. Insulator
D. Dielectric
|
| 3 | Potentiometer is more sensitive than voltmeter, because |
A. Voltmeter has a very high resistance
B. Voltmeter has a very low resistance
C. Potentiometer does not draw any current from a source of unknown potential difference
D. Potentiometer is sensitive
|
| 4 | Which of the following represents an electric current? |
A. C-1
B. CS-1
C. J.S-1
D. dynes-1
|
| 5 | If the resistance of 2 ohm and 4 ohm are connected in parallel, the equivalent resistance will be |
A. 6 ohm
B. 4 ohm
C. zero ohm
D. 1.33 ohm
|
| 6 | The SI unit of current is |
A. watt
B. coulomb
C. volt
D. ampere
|
| 7 | The colour sequence in a carbon resistor in red, brown, orange and silver. The resistance of the resistor is |
A. 21 x 103+ 10%
B. 23 x 101+ 10%
C. 21 x 103+ 5%
D. 12 x 103+ 5%
|
| 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 | The SI unit of permitivity is |
A. Nm2C2
B. N-1m-2C2
C. NmC2
D. Nm2C-1
|
| 10 | 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
|
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