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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
If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
Question # 2
The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
Question # 3
In the formula B= µ̻ nl, the symbol n denotes:
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
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 # 7
A field is uniform and much stronger:
Question # 8
When the charged particle is projected at right angles to the field, then experienced by it will be:
Question # 9
A voltmeter is used to measure the
Question # 10
The vector representation of force experience give the direction of
Question # 11
In order to make a voltmeter, high resistance is connected with galvanometer, in
Question # 12
In the expression of force experienced by electron, the direction of both v and B are
Question # 13
The SI unit of magnetic permeability is
Question # 14
For the conversion of galvanometer into voltmeter, we connect a
Question # 15
Electron gun consist of
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P Paris Ali 30 - Jul - 2024 08 Min 52 Sec 45/60
ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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) |
| 2 | A current carrying conductor sets up its own: |
A.
Electric field
B.
Nuclear field
C.
Magnetic field
D.
Both
(A) and (C) |
| 3 | When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into |
A. Voltmeter
B. Avometer
C. Ammeter
D. None of these
|
| 4 | 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 |
| 5 | NmA-1 is commonly called: |
A. Weber
B. Apmere
C. Guass
D. Coulomb
|
| 6 | The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by |
A. F =q(v/B)
B. F=q2(v x B)
C. F=q(v x B)
D. F= vx B
|
| 7 | Strength of magnetic field is measured in SI units, in: |
A. N
B. N/Am
C. Am/N
D. Nm/A
|
| 8 | The sources of magnetic field are |
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these
|
| 9 | The SI unit of flux density is. |
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
|
| 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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