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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
'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
Question # 2
The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
Question # 3
Amperean path is a:
Question # 4
The unit of flux density is also given by
Question # 5
The SI unit of magnetic flux is.
Question # 6
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:
Question # 7
NmA-1 is commonly called:
Question # 8
The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of
Question # 9
Galvanometer is a device used for the detection of
Question # 10
A resistance used in voltmeter is called
Question # 11
The galvanometer can be made sensitive if the value of the factor C/BAN is
Question # 12
A voltmeter is used to measure the
Question # 13
Magnetic lines of force:
Question # 14
The SI unit of magnetic flux is
Question # 15
A beam of electrons is provided by an
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ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | The magnetic field outside the solenoid due to current is |
A. strong
B. zero
C. weak
D. uniform
|
| 2 | 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
|
| 3 | The SI unit of magnetic induction is tesla which is equal to |
A. Newton/ampere-meter or N/A-m
B. Newton/ampere2-meter or N/A2-m
C. Newton/ampere2-meter2 or N/A2-m2
D. Newton/ampere2-meter2or N/A2-m2
|
| 4 | The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called |
A. magnetic flux
B. magnetic flux density
C. magnetic induction
D. magnetic field intensity
|
| 5 | F = I(L x B) is a |
A. vector
B. scalar
C. unit vector
D. none of these
|
| 6 |
Amperean path is a: |
A.
Closed path
B.
Rectangular path
C.
Circular path
D.
Any
of above |
| 7 | 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)
|
| 8 | Ammeter is used to measure |
A. voltage
B. resistance
C. voltage and current
D. current
|
| 9 | The working of galvanometer depends upon torque exerted on a current carrying coil in |
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
|
| 10 | The e/m of an electron moving in a circular path in a magnetic field is equal to |
A. V/Br
B. V/B2r2
C. V2/Br2
D. V2/Br
|
Test Questions
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