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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
The rate at which the
free electrons pass through any section of a metallic wire from right to left
is:
Question # 2
Most practical applications of electricity involve
Question # 3
When resistance of a current carrying wire increases due to rise in temperature, the drift velocity of electrons:
Question # 4
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 # 5
A thermistor is a resistor which is:
Question # 6
The current that flows through the coil of a motor causes
Question # 7
The obvious effect/s of
current is/are:
Question # 8
Electrostatics is the branch of physics which
deals with the study of electro charges:
Question # 9
When two spherical
conducting balls at different potentials are joined by a metallic wire, after
some time:
Question # 10
When two spherical
conducting balls at different potentials are joined by a metallic wire, after
some time:
Question # 11
A rheostat can e used:
Question # 12
Heating effect of
current utilized in:
Question # 13
Which of the following substances has got positive temperature coefficient of resistance?
Question # 14
An eV is unit of:
Question # 15
The quantity having the same unit as that of emf is:
Question # 16
The number of field lines passing through unit area held perpendicular to the field lines represent:
Question # 17
In case of metallic conductors, the charge carriers are
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 flux through a closed surface depends upon:
Question # 20
As the current flows through the wire
Question # 21
Another mean of electric potential energy per unit charge is given by:
Question # 22
When a constant potential difference is applied across the conductor, the drift velocity of electrons:
Question # 23
Static electricity is produced by the transfer of:
Question # 24
The term drift velocity is used when the ends of a wire are:
Question # 25
The third band of the colour code:
Question # 26
The value of relative permittivity of different dielectrics are:
Question # 27
Which instrument is expensive and difficult to use?
Question # 28
When two spherical
conducting balls at different potentials are joined by metallic wire, the
current starts:
Question # 29
When a constant potential difference is applied across the conductor, the drift velocity of electrons:
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 | Which of the following substances has got positive temperature coefficient of resistance? |
A. Carbon
B. Germanium
C. Silicon
D. Aluminium
|
| 2 | The flux through a closed surface depends upon: |
A.
Shape of geometry of the closed surface
B.
Charge enclosed
C.
Nature of the medium
D.
Both (A) and (B) |
| 3 | A current of 1 ampere is passing through a conductor. The charge passing through it in half a minute s |
A. One coulomb
B. 0.5 coulomb
C. 30 coulombs
D. 2 coulombs
|
| 4 |
In case of two identical charges placed certain
distance apart, the electric field lines are: |
A.
Straight lines
B.
Sine curves
C.
Curved
D.
Both (A) and (B) |
| 5 |
Heating effect of
current utilized in: |
A.
Electric motor
B.
Electric toaster
C.
Electroplating
D.
Electric kettle |
| 6 | A field free region is found: |
A.
Near the outer surface of a hollow charged metal sphere
B.
In the interior of solid metal uncharged sphere
C.
In the interior of solid metal charged sphere
D.
Both (A) and (B) |
| 7 |
In order to have a
constant current through wire, the potential difference across its end should: |
A.
Be zero
B.
Be
maintained constant
C.
Goes on increasing
D.
Go on decreasing |
| 8 | If the ends of a wire are connected to a battery an electric field E will be set up at: |
A.
The ends of the wire
only
B.
Mid points of the wire
only
C.
Every point within the
wire
D.
At
nodes only |
| 9 |
The device which can
convert heat energy into electrical energy is called: |
A.
Thermistor
B.
Thermometer
C.
Thermostat
D.
Thermocouple |
| 10 | 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
|
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