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MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism
Try The MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 14 Electromagnetism
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Question # 1
A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
Question # 2
A full-scale deflection is obtained in a galvanometer with a current of few
Question # 3
The torque per unit twist of coil is called
Question # 4
The working of galvanometer depends upon torque exerted on a current carrying coil in
Question # 5
A beam of electrons is provided by an
Question # 6
The SI unit of magnetic flux is
Question # 7
The SI unit of magnetic permeability is
Question # 8
Lorentz force is defined as
Question # 9
The SI unit of magnetic induction is
Question # 10
The CRO is used for displaying the waveform of a given
Question # 11
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 # 12
A galvanometer is an instrument used to
Question # 13
Amperean path is a:
Question # 14
The current is measured in
Question # 15
Tesla is the unit of
Question # 16
Method "lamp and scale arrangement" used to measure the
Question # 17
41 The force experience, when proton projected in a magnetic field with velocity 'v' is
Question # 18
Magnetic lines of force:
Question # 19
Which is modified form of galvanometer
Question # 20
The gavanometer constant of a moving coil galvanometer is given by
Question # 21
The magnetic field inside a solenoid can be increased by:
Question # 22
In the expression of force experienced by electron, the direction of both v and B are
Question # 23
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
Question # 24
When current passes through a solenoid coil, it behaves like a
Question # 25
A voltmeter is used to measure the
Question # 26
The SI unit of magnetic flux is.
Question # 27
The sources of magnetic field are
Question # 28
Strength of magnetic field is measured in SI units, in:
Question # 29
The force experienced by charged particle is maximum, if it moves
Question # 30
Charge to mass ratio (e/m) of an electron is given by the relation
Top Scorers Of ECAT Pre General Science Physics Chapter 14 Electromagnetism MCQ`s Test
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M M Abduullah 17 - Feb - 2021 13 Min 51 Sec 65/120 -
W Waleed Ahmed 25 - Feb - 2023 18 Min 24 Sec 55/120 -
I Inzmam Rajper 16 - Jun - 2022 10 Min 50 Sec 50/120 -
H Hiba Akhtar 06 - Mar - 2023 06 Min 56 Sec 45/120
ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The SI unit of magnetic permeability is |
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
|
| 2 | A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is |
A. Zero
B. 105 m
C. 10-10N
D. 108N
|
| 3 | The unit of magnetic flux is |
A. Weber-m2
B. Weber-m3
C. Henry
D. Weber
|
| 4 | Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis: |
A. Maximum
B. Minimum
C. Zero
D. Very small
|
| 5 | The permeability of free space is measured in: |
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
|
| 6 | A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called |
A. dead beat galvanometer
B. stable galvanometer
C. shunt galvanometer
D. sensitive galvanomter
|
| 7 | The force acting as one meter length of the conductor placed at right angle to the magnetic field, when one A current is passing through it, defines the |
A. magnetic flux
B. magnetic induction
C. magnetic field
D. self inductance
|
| 8 | 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
|
| 9 | The most suitable material for permanent magnet is |
A. cobalt
B. iron
C. steel
D. alaminium
|
| 10 | The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon |
A. Heating effect of current
B. Chemical effect of current
C. Magnetic effect of current
D. Electromagnetic effect of current
|
Test Questions
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