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MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism
Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism
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Total Questions15
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Time Allowed20
Physics ECAT Pre Engineering Chapter 14 Electromagnetism
00:00
Question # 1
Galvanometer is a device used for the detection of
Question # 2
The pointer of a
magnetic compass:
Question # 3
The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed
Question # 4
41 The force experience, when proton projected in a magnetic field with velocity 'v' is
Question # 5
The unit of magnetic flux is
Question # 6
Lorentz force is defined as
Question # 7
When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
Question # 8
The current is measured in
Question # 9
The e/m of an electron moving in a circular path in a magnetic field is equal to
Question # 10
The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
Question # 11
When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into
Question # 12
The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon
Question # 13
When the charged particle is projected at right angles to the field, then experienced by it will be:
Question # 14
The galvanometer can be made sensitive if the value of the factor C/BAN is
Question # 15
Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
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ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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
|
| 2 | 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)
|
| 3 | The SI unit of magnetic flux is. |
A. weber
B. Nm-1A-1
C. tesla
D. gauss
|
| 4 | The force experienced by an electron projected in a magnetic field B with a velocity V is given by |
A. F=e(V x B)
B. F= -e(V x B)
C. F= e(B x V)
D. Both a and c
|
| 5 | The current sensitivity of the galvanometer is |
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
|
| 6 | The CRO deflects the beam of electrons, when they passes through uniform |
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
|
| 7 | The permeability of free space is measured in: |
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
|
| 8 | NmA-1 is commonly called: |
A. Weber
B. Apmere
C. Guass
D. Coulomb
|
| 9 | A meter wire carraying a current of 2A is at right angle to the uniform magnetic field of 0.5 Weber/m2The force on the wire is |
A. 5N
B. 4N
C. 1.5N
D. 6N
|
| 10 | A solenoid is a coil of wire which is: |
A.
Short, loosely wound, cylindrical
B.
Long, tightly wound,
spherical
C.
Long, loosely wound,
cylindrical
D.
Long,
tightly wound, cylindrical |
Test Questions