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MCQ's Test For ECAT Physics Chapter 14 Electromagnetism
Try The MCQ's Test For ECAT Physics Chapter 14 Electromagnetism
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Total Questions15
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Time Allowed20
ECAT Physics Chapter 14 Electromagnetism
00:00
Question # 1
Electron gun consist of
Question # 2
The SI unit of magnetic flux is
Question # 3
Magnetic induction is also called as:
Question # 4
A shunt resistance parallel to the galvanometer is used to convert it into
Question # 5
F = I(L x B) is a
Question # 6
The voltage increases linearly with
Question # 7
A current carrying conductor sets up its own:
Question # 8
if the field is directed along the normal to the area, then flux is:
Question # 9
The vector representation of force experience give the direction of
Question # 10
The magnetic field in the middle of a solenoid due to current is
Question # 11
The CRO deflects the beam of electrons, when they passes through uniform
Question # 12
Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
Question # 13
The direction of lines of force depends upon the direction of
Question # 14
A full-scale deflection is obtained in a galvanometer with a current of few
Question # 15
The force acting on a charge moving in a magnetic field
Top Scorers Of ECAT Physics Chapter 14 Electromagnetism MCQ`s Test
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H Heer 23 - Jan - 2024 00 Min 43 Sec 60/60 -
D dark goblin 18 - Jul - 2024 00 Min 45 Sec 60/60 -
R Rizwan Khuharo 13 - Apr - 2024 00 Min 51 Sec 60/60 -
M Muneeb ur Rehman 30 - Jun - 2026 02 Min 25 Sec 60/60 -
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M maliha Tariq 05 - Feb - 2024 05 Min 24 Sec 55/60 -
A Alishba Farooq 08 - Mar - 2024 66 Min 55 Sec 55/60 -
I Inamurehman rehmanbajwa 29 - May - 2024 03 Min 05 Sec 50/60 -
M Muhammad noor Ahmed 28 - Feb - 2024 05 Min 32 Sec 50/60 -
M mashal zainab 11 - Mar - 2024 05 Min 45 Sec 50/60 -
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K Kifayet Ali 01 - Jun - 2024 04 Min 01 Sec 45/60 -
P Paris Ali 30 - Jul - 2024 08 Min 52 Sec 45/60
ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field: |
A. Becomes Half
B. Becomes double
C. Is not affected
D. Becomes one fourth
|
| 2 | The e/m of an electron moving in a circular path in a magnetic field is equal to |
A. V/Br
B. V/B2r2
C. V2/Br2
D. V2/Br
|
| 3 | A current carrying conductor sets up its own: |
A.
Electric field
B.
Nuclear field
C.
Magnetic field
D.
Both
(A) and (C) |
| 4 | The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of |
A. ammeter
B. voltmeter
C. galvanometer
D. avo-meter
|
| 5 | If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is |
A. F = B2
B. F = 0
C. F = B
D. F = B/2
|
| 6 | In the formula B= µ̻ nl, the symbol n denotes: |
A.
Total number of turns
of solenoid
B.
Number
of turns per unit length
C.
Number of turns per
unit volume
D.
Numbers of turns per
unit area |
| 7 | The SI unit of flux density is |
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
|
| 8 | When the charged particle is projected at right angles to the field, then experienced by it will be: |
A. Maximum
B. Zero
C. qvB
D. Both (A) and (B)
|
| 9 | The force acting on a charge moving in a magnetic field |
A. is perpendicular to the both magnetic field and direction of motion
B. is proportional to the magnetic of charges
C. vanishes when the motion is directly opposite to the direction of field
D. all of the above
|
| 10 | A shunt resistance parallel to the galvanometer is used to convert it into |
A. avometer
B. millimeter
C. voltmeter
D. none of these
|
Test Questions
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