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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
The angle of deflection of coil can be measured by the
Question # 2
The most suitable material for permanent magnet is
Question # 3
Electron gun consist of
Question # 4
In the expression of force experienced by electron, the direction of both v and B are
Question # 5
Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:
Question # 6
In the formula B= µ̻ nl, the symbol n denotes:
Question # 7
A charged particle moving at right angle to the magnetic field will experience
Question # 8
The direction of lines of force depends upon the direction of
Question # 9
Total number of turns on 0.15 m length solenoid is 300. the value of n is:
Question # 10
Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
Question # 11
Amperean path is a:
Question # 12
Centripetal force for electron is given by
Question # 13
In order to make a voltmeter, high resistance is connected with galvanometer, in
Question # 14
Avo-meter is used of measure the
Question # 15
A solenoid is a coil of wire which is:
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 -
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R Rizwan Khuharo 13 - Apr - 2024 00 Min 51 Sec 60/60 -
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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 | 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
|
| 2 | The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by |
A. F=IB/L
B. F= L x B/I
C. F = IL x B
D. F = IL . B
|
| 3 | 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
|
| 4 | 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
|
| 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 | The CRO is used for displaying the waveform of a given |
A. current
B. voltage
C. both of them
D. none of them
|
| 7 | 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
|
| 8 | Total number of turns on 0.15 m length solenoid is 300. the value of n is: |
A. Greater than 300
B. Smaller than 300
C. Equal to 300
D. Any of (A) or (B)
|
| 9 | if the field is directed along the normal to the area, then flux is: |
A.
Maximum
B.
Equal to zero
C.
Equal to BA
D.
Minimum |
| 10 | CRO deflects the beam of |
A. proton
B. a-particle
C. electron
D. neutron
|
Test Questions
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