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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
Two dissimilar metals
joined at their ends kept at constant temperature constitute:
Question # 2
The effects of bends in
a wire on its electrical resistance are:
Question # 3
An electric field is generated along the wire when:
Question # 4
Selenium is:
Question # 5
Aluminum is a:
Question # 6
Flux through a closed surface of any shape and flux
through the surface of a sphere drawn around a charge are:
Question # 7
An important part of photocopier is:
Question # 8
The conventional current is the name given to current due to flow of:
Question # 9
An example of photoconductor is:
Question # 10
The emf is measured in:
Question # 11
In a metal, the valence electrons are:
Question # 12
The charge carries in
the electrolyte are:
Question # 13
Kirchhoff's first rule is also called:
Question # 14
The surface destiny of charge is defined is:
Question # 15
An important part of inkjet printer is:
Question # 16
Which instrument is expensive and difficult to use?
Question # 17
While finding the electric intensity at a point between two
oppositely charged parallel plates, the Gaussian surface is taken in the form
of a hollow:
Question # 18
When a constant potential difference is applied across the conductor, the drift velocity of electrons:
Question # 19
The current of 1 ampere
is passing through a conductor. The charge passing through it in half a minute
is:
Question # 20
The term drift velocity is used when the ends of a wire are:
Question # 21
In case of metallic conductors, the charge carriers are
Question # 22
In case of metallic
conductors, the change carries are:
Question # 23
The device which can
convert heat energy into electrical energy is called:
Question # 24
The number of field lines passing through unit area held perpendicular to the field lines represent:
Question # 25
The interior of a hollow charged metal sphere is a region which:
Question # 26
The positive charge moving in one direction is equivalent in all external affects to a:
Question # 27
In gases, the charge carriers are:
Question # 28
When two spherical
conducting balls at different potentials are joined by metallic wire, the
current starts:
Question # 29
Gaussian surface is always:
Question # 30
Most practical application of electricity involve
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 -
S Saira Iftikhar 11 - Aug - 2024 16 Min 48 Sec 90/120 -
S suzi 10 - Feb - 2026 06 Min 44 Sec 88/120 -
C Computer mail 01 - Mar - 2026 10 Min 07 Sec 88/120 -
M Muhammad Ali 27 - Jun - 2024 03 Min 38 Sec 85/120 -
F Furqan Asif 26 - Mar - 2026 17 Min 38 Sec 84/120 -
G GOVT. SUFFA EDUCATION CENTER GIRLS MURIDKE 30 - May - 2024 05 Min 26 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 -
T Taha 29 - Mar - 2026 10 Min 04 Sec 72/120
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 | When certain area A is held parallel to the field lines, then: |
A.
No lines cross this area
B.
Maximum lines pass through this area
C.
The number of lines are between zero and maximum
D.
Both (A) and (B) correct |
| 3 | The term drift velocity is used when the ends of a wire are: |
A.
Connected to a laser
source
B.
Connected to a voltage
source
C.
Not connected to a
voltage source
D.
At different values of
potential |
| 4 | The surface destiny of charge is defined is: |
A.
Charge per volume
B.
Mass per volume
C.
Charge per area
D.
Mass per area |
| 5 | The passage of current is accompanied by a magnetic field in the surrounding space: |
A.
Always
accompanied
B.
Sometimes accompanied
C.
Never accompanied
D. Any of above
|
| 6 |
While finding the electric intensity at a point between two
oppositely charged parallel plates, the Gaussian surface is taken in the form
of a hollow: |
A.
Circle
B.
Rectangle
C.
Sphere
D.
Box |
| 7 | An electric field is generated along the wire when: |
A.
Its resistance is very
high
B.
A constant potential is
maintained across the wire
C.
Net current through the
wire is zero
D.
A
constant potential difference is maintained across the wire |
| 8 | The electric flux through any surface depends upon: |
A.
Intensity of electric field
B.
Area of the surface
C.
Angle between intensity and area
D.
All of these |
| 9 |
Flux through a closed surface of any shape and flux
through the surface of a sphere drawn around a charge are: |
A.
Different
B.
Same
C.
Such that it is greater in the first case
D.
Such that it is greater in the second case |
| 10 | As the current flow through the wire: |
A.
It
generates heat in the wire
B.
It produces sound in
the wire
C.
Resistance of the wire
decreases
D.
Voltage across the ends
is increased |
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