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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
The e/m of an electron moving in a circular path in a magnetic field is equal to
Question # 2
Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
Question # 3
The direction of lines of force depends upon the direction of
Question # 4
Total number of turns on 0.15 m length solenoid is 300. the value of n is:
Question # 5
A current carrying conductor sets up its own:
Question # 6
if the field is directed along the normal to the area, then flux is:
Question # 7
A field is uniform and much stronger:
Question # 8
The current is measured in
Question # 9
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 # 10
A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is
Question # 11
The SI unit of flux density is
Question # 12
A galvanometer is an instrument used to
Question # 13
The unit of magnetic flux is
Question # 14
If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
Question # 15
A long wire wound tightly on a cylindrical core is called:
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 -
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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 | When charged particle is projected perpendicular to a uniform magnetic field its trajectory is |
A. circular
B. elliptical
C. cycloid
D. straight line
|
| 2 | 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
|
| 3 | A current carrying conductor sets up its own: |
A.
Electric field
B.
Nuclear field
C.
Magnetic field
D.
Both
(A) and (C) |
| 4 | Lorentz force is defined as |
A. q(E + V x B)
B. q(E x B + V)
C. q(E x V + B)
D. q(E x B)
|
| 5 | Centripetal force for electron is given by |
A. mv2/ r
B. mv / r2
C. mv2/ r
D. mr2/ v
|
| 6 | The galvanometer can be made sensitive if the value of the factor C/BAN is |
A. constant
B. small
C. large
D. none of these
|
| 7 | The voltage increases linearly with |
A. time
B. velocity
C. acceleration
D. torque
|
| 8 | The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed |
A. parallel to the field
B. Perpendicular to the field
C. At an angle of 45 to the field
D. None of the above
|
| 9 | Magnetic lines of force: |
A.
Cannot
intersect at all
B.
Intersect at infinity
C.
Intersect within magnet
D.
Intersect at Neutral Point |
| 10 | In order to make a voltmeter, high resistance is connected with galvanometer, in |
A. perpendicular
B. may be paralled or pendicular
C. series
D. none of these
|
Test Questions
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