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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
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Question # 1
When the charged particle is projected at right angles to the field, then experienced by it will be:
Question # 2
A field is uniform and much stronger:
Question # 3
The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
Question # 4
The unit of flux density is also given by
Question # 5
The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed
Question # 6
A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
Question # 7
Resistance is measured in
Question # 8
The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by
Question # 9
The magnetic field in the middle of a solenoid due to current is
Question # 10
magnetic field is a:
Question # 11
A galvanometer is an instrument used to
Question # 12
the current is pass
through the straight wire. The magnetic field established around it has its
lines of force:
Question # 13
The current sensitivity of the galvanometer is
Question # 14
The current is measured in
Question # 15
A charged particle moving at right angle to the magnetic field will experience
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 -
A Aniq Khan 11 - Mar - 2024 02 Min 50 Sec 60/60 -
T Tasser Haider 01 - Jun - 2024 02 Min 11 Sec 55/60 -
A Abdullah Baloch 29 - Jul - 2024 04 Min 47 Sec 55/60 -
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 -
H Huzaifa Khalid 10 - Aug - 2023 04 Min 35 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 -
E Esha Azeem 18 - Jun - 2024 05 Min 47 Sec 50/60 -
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 total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called |
A. magnetic flux
B. magnetic flux density
C. magnetic induction
D. magnetic field intensity
|
| 3 | The magnetic field in the middle of a solenoid due to current is |
A. weak
B. strong and uniform
C. none-uniform
D. zero
|
| 4 | The SI unit of flux density is |
A. Newton/Amp-meter
B. Newton-m/Ampere
C. Newton-m/Amp2
D. Newton-Amp/meter
|
| 5 | When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be |
A. changed
B. zero
C. unchanged
D. none of these
|
| 6 | In the region surrounding a current carrying wire: |
A. A magnetic field is
setup
B.
The lines of force are
elliptical
C.
Direction of lines of
forces depends upon direction of current
D.
Both
(A) and (C) |
| 7 | 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
|
| 8 | The most suitable material for permanent magnet is |
A. cobalt
B. iron
C. steel
D. alaminium
|
| 9 | When charged particle is projected perpendicular to a uniform magnetic field its trajectory is |
A. circular
B. elliptical
C. cycloid
D. straight line
|
| 10 | In the expression of force experienced by electron, the direction of both v and B are |
A. parallel
B. zero
C. perpendicular
D. none of them
|
Test Questions