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MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 13 Current Electricity
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Total Questions30
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Time Allowed30
Physics ECAT Pre Engineering Chapter 13 Current Electricity
00:00
Question # 1
SI unit of current describes the flow of charge at the rate of
Question # 2
The obvious effect/s of
current is/are:
Question # 3
The third band of the colour code:
Question # 4
The number of field lines passing through unit area held perpendicular to the field lines represent:
Question # 5
Certain charge +q is placed at the center of a sphere. At each of the sphere,The directions of electric intensity and vector area are:
Question # 6
The charge carriers in an electrolyte are
Question # 7
Which of the following substances has got positive temperature coefficient of resistance?
Question # 8
Static electricity is produced by the transfer of:
Question # 9
The strength of magnetic field at certain points around a wire depends upon:
Question # 10
The value of relative permittivity of different dielectrics are:
Question # 11
Most practical applications of electricity involve
Question # 12
The rate at which the
free electrons pass through any section of a metallic wire from right to left
is:
Question # 13
Flux through a closed surface of any shape and flux
through the surface of a sphere drawn around a charge are:
Question # 14
Selenium is:
Question # 15
The conventional current is the name given to current due to flow of:
Question # 16
The passage of current is accompanied by a magnetic field in the surrounding space:
Question # 17
The magnitude of
chemical Effects depends upon:
Question # 18
Electric flux is:
Question # 19
The free electrons in metals:
Question # 20
In case of metallic conductors, the charge carriers are
Question # 21
The surface destiny of charge is defined is:
Question # 22
In order to have a
constant current through wire, the potential difference across its end should:
Question # 23
Electrostatics is the branch of physics which
deals with the study of electro charges:
Question # 24
Most practical application of electricity involve
Question # 25
Electric field lines emerge from the charge in:
Question # 26
Electrolysis is the study of conduction of electricity through:
Question # 27
In case of two identical charges placed certain
distance apart, the electric field lines are:
Question # 28
The effects of bends in
a wire on its electrical resistance are:
Question # 29
Aluminum is a:
Question # 30
When two spherical
conducting balls at different potentials are joined by a metallic wire, after
some time:
Top Scorers Of Physics ECAT Pre Engineering Chapter 13 Current Electricity MCQ`s Test
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U Usman Shafiq 26 - May - 2024 00 Min 20 Sec 120/120 -
B Bilal Javed 02 - Jun - 2024 02 Min 25 Sec 120/120 -
A Abdullah Zubair 26 - Dec - 2024 07 Min 34 Sec 115/120 -
N Nitalaya Hassan 25 - Dec - 2024 01 Min 51 Sec 105/120 -
T Toseef Khalid 16 - May - 2024 08 Min 19 Sec 90/120 -
S Saira Iftikhar 11 - Aug - 2024 16 Min 48 Sec 90/120 -
M Muhammad Ali 27 - Jun - 2024 03 Min 38 Sec 85/120 -
G GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 30 - May - 2024 05 Min 26 Sec 80/120 -
D donkey king 17 - May - 2024 06 Min 40 Sec 80/120 -
M Mehpara Khatoon 07 - Aug - 2024 05 Min 07 Sec 75/120 -
H HUSNAIN AHMAD 05 - Jun - 2024 05 Min 28 Sec 75/120 -
H Huzaifa Asim 25 - May - 2024 06 Min 23 Sec 75/120 -
M Maira Arshad 31 - May - 2024 15 Min 09 Sec 75/120 -
U Umaima Saeed 22 - May - 2024 12 Min 10 Sec 70/120 -
F Faisal Mehar 22 - May - 2024 24 Min 40 Sec 70/120
ECAT Physics Chapter 13 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | Which of the following substances has got positive temperature coefficient of resistance? |
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
|
| 2 | An example of photoconductor is: |
A.
Boron
B.
Carbon
C.
Iron
D.
Aluminum |
| 3 | Magnetic effect of current is used: |
A.
In electric motor
B.
To detect current
C.
To measure current
D.
All
of these |
| 4 | Most practical applications of electricity involve |
A. Charges at rest
B. Charges in motion
C. Electrons at rest
D. Atoms in motion
|
| 5 |
Heating effect of
current utilized in: |
A.
Electric motor
B.
Electric toaster
C.
Electroplating
D.
Electric kettle |
| 6 |
The example/s of
non-electrical energy to electrical is/are: |
A.
Chemical energy
B.
Mechanical energy
C.
Heat energy
D.
Both (A) and (B) |
| 7 | In a metal, the valence electrons are: |
A.
Attach to individual
atoms
B.
Not attached to
individual atoms
C.
Free to move within the
metal
D.
Both (A) and (C) |
| 8 |
The rate at which the
free electrons pass through any section of a metallic wire from right to left
is: |
A.
Greater than the speed
at which they pass from left to right
B.
Less than the speed at
which they pass from left to right
C.
The
same speed at which they pass from left to right
D.
Any of above |
| 9 | An important part of photocopier is: |
A.
Toner cartridge
B. Deflection plates
C.
Charging electrode
D.
Print head |
| 10 | The earth’s potential and potential at infinity are taken: |
A.
Equal
B.
Zero
C.
First is greater than the second
D.
Second is greater than the first |
Test Questions
Share your comments & questions here
Hamza
17 Aug 2019It has many error
Salmankhan
02 Feb 2018Sir g plz correct this mcq the device which convert electrical into machinical is called moter but here the answer is generator