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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
A field is uniform and much stronger:
Question # 2
If volume of wire is 'AL' and there are 'n' numbers of charge carriers per unit volume, then the total number of charge carriers are
Question # 3
The current is measured in
Question # 4
The pointer of a
magnetic compass:
Question # 5
'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
Question # 6
Avo-meter is used of measure the
Question # 7
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:
Question # 8
41 The force experience, when proton projected in a magnetic field with velocity 'v' is
Question # 9
The SI unit of magnetic permeability is
Question # 10
Magnetic induction is also called as:
Question # 11
A beam of electrons is provided by an
Question # 12
The working of galvanometer depends upon torque exerted on a current carrying coil in
Question # 13
Current is measured in
Question # 14
The force experienced by an electron projected in a magnetic field B with a velocity V is given by
Question # 15
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
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 | The force experienced by charged particle is maximum, if it moves |
A. parallel to magnetic field
B. perpendicular to magnetic field
C. opposite to the magnetic field
D. none of these
|
| 2 | The permeability of free space is measured in: |
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
|
| 3 | The unit of flux density is also given by |
A. Weber/m2or Wb . m-2
B. Weber/mor Wb . m
C. Weber/mor Wb . m-1
D. Weber or Wb
|
| 4 | At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the: |
A. -y direction
B. +y direction
C. +z direction
D. -z direction
|
| 5 | If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made |
A. Sensitive
B. Accurate
C. Stable
D. None of these
|
| 6 | Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as |
A. IT = 10-4 G
B. IT = 105G
C. IT = 103G
D. IT = 104G
|
| 7 | Which one of the following relations is correct? |
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
|
| 8 | In a moving coil galvanometer, the deflecting couple depends upon |
A. area of the coil
B. number of turns of coil
C. value of magnetic field
D. all of the above
|
| 9 | To convert galvanometer into ammeter we connect |
A. small resistance in parallel with galvanometer
B. small resistance in series with galvanometer
C. high resistance in series with galvanometer
D. high resistance in parallel with galvanometer
|
| 10 | The torque per unit twist of coil is called |
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant
|
Test Questions