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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
One joule is equal to
Question # 2
At any point on the right bisector of the line joining two equal and opposite charges
Question # 3
Which of the following represents an electric current?
Question # 4
The ratio of the gravitational force Fgto the electrostatic force Febetween two electrons at the same distance apart is approximately
Question # 5
The graphical representation of ohm's law is
Question # 6
The charge carriers in electrolyte are positive and negative
Question # 7
Two conductors having the same type of charges are connected by a conducting wire. There would not be any amount of charges on them if
Question # 8
An alpha particle is accelerated through a potential difference of 106volt. Its kinetic energy will be
Question # 9
Electric generators which convert mechanical energy into
Question # 10
Electron volt is the unit of.
Question # 11
A medium of dielectric constant 'K' is introduced between the plates of parallel plate condenser. As a result its capcitance
Question # 12
If one volt is needed to cause a current of one ampere to flow in a conductor, its resistance is
Question # 13
Coulomb's force between two point charges depends upon
Question # 14
The resistivity of a substance depends upon the
Question # 15
The charge carriers in gases are
Question # 16
The speed of randomly moving electrons depends upon
Question # 17
Three resistors of resistance 2,3 and 6 ohms are connected in parallel, their equivalent resistance is
Question # 18
The SI unit of current is
Question # 19
The electric intensity at infinite distance from the point charge will be
Question # 20
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
Question # 21
The resistance of 20 cm long wire is 10Ω. When the length is changed to 40 cm. The new resistance is
Question # 22
A 100 W, 200 V bulb is connected to a 160 volts supply. The actual power consumption would be
Question # 23
The minimum resistance that can be obtained by connecting 5 resistance of 1/4Ωeach is
Question # 24
Magnetic effect at a point caused due to flow a current depend upon the
Question # 25
If electric and gravitational force on an electron in a uniform electric field will be
Question # 26
Electron volt is the unit of
Question # 27
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 # 28
Resistor is a device which convert electric energy to
Question # 29
The electric field due to an infinite long thin wire at a distance R varies as
Question # 30
Potentiometer is more sensitive than voltmeter, because
Top Scorers Of Physics ECAT Pre Engineering Chapter 12 Electrostatics MCQ`s Test
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S Salvaa Sheikh 13 - Sep - 2024 24 Min 16 Sec 85/120 -
S Sualeh Murtaza 15 - Nov - 2024 05 Min 29 Sec 80/120 -
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ECAT Physics Chapter 12 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The dot product of electric field intensity E and vector area A is called |
A. Electric potential
B. Electric flux
C. Electric field
D. Magnetic field
|
| 2 | A closed surface contains two equal and opposite charges. The net electric flux from the surface will be |
A. Negative
B. Positive
C. Infinite
D. Zero
|
| 3 | Magnetic effect at a point caused due to flow a current depend upon the |
A. Quantity of current
B. Distance from current
C. Both the quantity of current and distance from current element
D. None of the all
|
| 4 | One electron volt is equal to |
A. 1.6 x 1019eV
B. 6.25 x 1018 eV
C. 1.6 x 1018 eV
D. 6.25 x 1019eV
|
| 5 | The conductivity of a superconductor is |
A. Infinite
B. Very large
C. Very small
D. Zero
|
| 6 | 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 |
A. 5 volt
B. 3 volt
C. 15 volt
D. 9 volt
|
| 7 | A charge of 0.1 c accelerated through a potential difference of 1000V acquires kinetic energy |
A. 200 J
B. 100 J
C. 1000 J
D. 400 J
|
| 8 | Some charge is being given to a conductor. Then its potential |
A. Is maximum at surface
B. Is maximum at centre
C. Is remain same throughout the conductor
D. Is maximum somewhere between surface and centre
|
| 9 | A point charge A of charge +4μC and another B of charge -1μC are placed in air at a distance 1 m apart. Then the distance of the point on the line joining the charge B, where the resultant electric field is zero, is (in m) |
A. 2
B. 1
C. 0.5
D. 1.5
|
| 10 | If the two charges in Coulomb's law have double distance between them, then electric force |
A. Becomes two-fold
B. Becomes four-fold
C. Remains the same
D. None of these
|
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