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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
When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
Question # 2
Flux through a closed surface of any shape and flux
through the surface of a sphere drawn around a charge are:
Question # 3
The passage of current is accompanied by a magnetic field in the surrounding space:
Question # 4
A field free region is found:
Question # 5
When certain area A is held parallel to the field lines, then:
Question # 6
When two spherical
conducting balls at different potentials are joined by a metallic wire, after
some time:
Question # 7
Electric field lines emerge from the charge in:
Question # 8
An inkjet printer uses in its operation:
Question # 9
The value of relative permittivity of different dielectrics are:
Question # 10
Electrostatics is the branch of physics which
deals with the study of electro charges:
Question # 11
The value of resistivity is the least for:
Question # 12
Xerography means:
Question # 13
Which instrument is expensive and difficult to use?
Question # 14
Thermistors are prepared under
Question # 15
In gases, the charge carriers are:
Question # 16
An electric field is generated along the wire when:
Question # 17
When two spherical
conducting balls at different potentials are joined by a metallic wire, after
some time:
Question # 18
The rate at which the
free electrons pass through any section of a metallic wire from right to left
is:
Question # 19
The charge carriers in an electrolyte are
Question # 20
Conversion of chemical
energy to electrical energy can be achieved by:
Question # 21
An eV is unit of:
Question # 22
The obvious effect/s of
current is/are:
Question # 23
An important part of photocopier is:
Question # 24
The rate at which the
free electrons pass through any section of a metallic wire from right to left
is:
Question # 25
As the current flow through the wire:
Question # 26
Field lines are closer to each other in the region where the field is:
Question # 27
The term drift velocity is used when the ends of a wire are:
Question # 28
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 # 29
A thermistor is a resistor which is:
Question # 30
The interior of a hollow charged metal sphere is a region which:
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 | An ideal voltmeter has: |
A. Zero resistance
B. Small resistance
C. Large resistance
D. Infinite resistance
|
| 2 | Tick the correct statement: |
A.
Both the potential and potential difference is scalars
B.
Potential is a scalar but potential difference is a vector
C. Both are vectors
D.
Potential is vector but potential difference is scalar |
| 3 |
When two spherical
conducting balls at different potentials are joined by metallic wire, the
current starts: |
A.
Decreasing from zero to
maximum
B.
Increasing from zero to
maximum
C.
Decreasing
from maximum to zero
D.
Increasing from maximum
to zero |
| 4 | The third band of the colour code: |
A. Gives the number of zeroes
B. Is decimal multiplier
C. Gives the resistance tolerance
D. Gives the third digit
|
| 5 | In gases, the charge carries are: |
A.
Electrons
B.
Positive ions
C.
Negative ions
D.
Both (A) and (C) |
| 6 |
The current of 1 ampere
is passing through a conductor. The charge passing through it in half a minute
is: |
A.
One coulomb
B.
0.5 coulomb
C.
30 coulomb
D.
2 coulombs |
| 7 | The conventional current is the name given to current due to flow of: |
A. Positrons
B.
Positive
charges
C.
Negative charges
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 | Magnetic effect of current is used: |
A.
In electric motor
B.
To detect current
C.
To measure current
D.
All
of these |
| 10 | The positive charge moving in one direction is equivalent in all external affects to a: |
A.
Negative charge is
moving in the same direction
B.
Positive
charge is moving in the opposite direction
C.
Negative charge moving
in the opposite direction
D.
Positive charges moving in the same direction |
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