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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
It is customary represent a current flowing towards the reader by a symbol
Question # 2
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 # 3
Ammeter is used to measure
Question # 4
Total number of turns on 0.15 m length solenoid is 300. the value of n is:
Question # 5
A field is uniform and much stronger:
Question # 6
Resistance is measured in
Question # 7
The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
Question # 8
When the charged particle is projected at right angles to the field, then experienced by it will be:
Question # 9
The CRO deflects the beam of electrons, when they passes through uniform
Question # 10
Avo-meter is used of measure the
Question # 11
The voltage increases linearly with
Question # 12
In the formula B= µ̻ nl, the symbol n denotes:
Question # 13
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 # 14
In a straight current carrying conductor, the direction of magnetic field can be found by
Question # 15
The permeability of free space is measured in:
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H Heer 23 - Jan - 2024 00 Min 43 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 | Strength of magnetic field is measured in SI units, in: |
A. N
B. N/Am
C. Am/N
D. Nm/A
|
| 2 | 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
|
| 3 | magnetic field is a: |
A.
Vector
quantity
B.
Scalar quantity
C.
Scalar as well as
scalar quantity
D.
Any of (A) or (B) |
| 4 | At a given instant, a photon moves in +x direction in a region where there magnetic field in -z direction. The magnetic force on the proton will be the: |
A. -y direction
B. +y direction
C. +z direction
D. -z direction
|
| 5 | 41 The force experience, when proton projected in a magnetic field with velocity 'v' is |
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)
|
| 6 | Which one of the following relations is correct? |
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
|
| 7 | The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by |
A. F=eVB
B. F=e2V/B
C. F=e/VB
D. F=B2/ev
|
| 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 | How many number of anodes used in electron gun |
A. one
B. two
C. three
D. six
|
| 10 | The current sensitivity of the galvanometer is |
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
|
Test Questions
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