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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
Ammeter is used to measure
Question # 2
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 # 3
The SI unit of magnetic induction is
Question # 4
If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
Question # 5
The magnetic field inside a solenoid can be increased by:
Question # 6
The unit of magnetic flux is
Question # 7
The pointer of a
magnetic compass:
Question # 8
A galvanometer is an instrument used to
Question # 9
The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon
Question # 10
A resistance used in galvanometer to make it voltmeter is called
Question # 11
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 # 12
The SI unit of magnetic flux is
Question # 13
Total number of turns on 0.15 m length solenoid is 300. the value of n is:
Question # 14
A full-scale deflection is obtained in a galvanometer with a current of few
Question # 15
The angle of deflection of coil can be measured by the
Top Scorers Of ECAT Physics Chapter 14 Electromagnetism MCQ`s Test
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ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | 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 |
| 2 | (CRO) Cathode ray oscilloscope is a device used for high speed |
A. velocity
B. graph plotting
C. time-velocity
D. none of these
|
| 3 | 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
|
| 4 | Centripetal force for electron is given by |
A. mv2/ r
B. mv / r2
C. mv2/ r
D. mr2/ v
|
| 5 | The magnetic field outside the solenoid due to current is |
A. strong
B. zero
C. weak
D. uniform
|
| 6 | 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
|
| 7 |
the current is pass
through the straight wire. The magnetic field established around it has its
lines of force: |
A.
Circular
and endless
B.
Oval in shape and
endless
C.
Straight
D.
Parabolic |
| 8 | The magnetic field in the middle of a solenoid due to current is |
A. weak
B. strong and uniform
C. none-uniform
D. zero
|
| 9 | The force experienced by charged particle is maximum, if it moves |
A. parallel to magnetic field
B. perpendicular to magnetic field
C. opposite to the magnetic field
D. none of these
|
| 10 | When current passes through a solenoid coil, it behaves like a |
A. loop
B. circle
C. bar magnet
D. none of these
|
Test Questions