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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
If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
Question # 2
The angle of deflection of coil can be measured by the
Question # 3
The permeability of free space is measured in:
Question # 4
A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is
Question # 5
In a moving coil galvanometer, the deflecting couple depends upon
Question # 6
For the conversion of galvanometer into voltmeter, we connect a
Question # 7
Total number of turns on 0.15 m length solenoid is 300. the value of n is:
Question # 8
How many number of anodes used in electron gun
Question # 9
To convert galvanometer into ammeter we connect
Question # 10
Electron gun consist of
Question # 11
Amperean path is a:
Question # 12
The SI unit of magnetic flux is
Question # 13
The pointer of a
magnetic compass:
Question # 14
The SI unit of flux density is.
Question # 15
Strength of magnetic field is measured in SI units, in:
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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 | Magnetic induction is also called as: |
A.
Ampere’s
law
B.
Faraday’s law
C.
Lenz’s law
D.
Newton’s law |
| 2 |
The pointer of a
magnetic compass: |
A.
Is affected only by
permanent magnets
B.
Align
itself parallel to the applied magnetic field
C.
Vibrates in the
magnetic field of the current
D.
Aligns itself
perpendicular to the magnetic field |
| 3 | A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is |
A. Zero
B. 105 m
C. 10-10N
D. 108N
|
| 4 | Flurescent screen is a screen where visible spot |
A. vanishes
B. is made
C. becomes small and large
D. none of these
|
| 5 | 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
|
| 6 | When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into |
A. Voltmeter
B. Avometer
C. Ammeter
D. None of these
|
| 7 | 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 |
A. F = B2
B. F = 0
C. F = B
D. F = B/2
|
| 8 | A resistance used in galvanometer to make it voltmeter is called |
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these
|
| 9 | For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as |
A. modification
B. voltage
C. current
D. resistance
|
| 10 | The force exerted on a conductor of length L, carrying current I when placed in a magnetic field B is given by |
A. F=IB/L
B. F= L x B/I
C. F = IL x B
D. F = IL . B
|
Test Questions