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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
The CRO is used for displaying the waveform of a given
Question # 2
In the region surrounding a current carrying wire:
Question # 3
The SI unit of magnetic flux is
Question # 4
Ammeter is used to measure
Question # 5
Magnetic lines of force:
Question # 6
The direction of lines of force depends upon the direction of
Question # 7
A beam of electrons is provided by an
Question # 8
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 # 9
The current is measured in
Question # 10
The SI unit of magnetic flux is.
Question # 11
In the formula B= µ̻ nl, the symbol n denotes:
Question # 12
A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called
Question # 13
The permeability of free space is measured in:
Question # 14
The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed
Question # 15
In the expression of force experienced by electron, the direction of both v and B are
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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 | The field around a moving charge is called |
A. magnetic field
B. conservative field
C. non-conservative field
D. none of these
|
| 2 | 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)
|
| 3 |
Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is: |
A. BACosѲ
B. Zero
C. BA
D. BA sinѲ
|
| 4 | Tesla is the unit of |
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
|
| 5 | For the conversion of galvanometer into voltmeter, we connect a |
A. small resistance in series with galvanometer
B. small resistance in parallel with galvanometer
C. high resistance in parallel with galvanometer
D. high resistance series with galvanometer
|
| 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: |
A. -y direction
B. +y direction
C. +z direction
D. -z direction
|
| 7 | The SI unit of magnetic induction is |
A. Gauses
B. Tesla
C. Weber
D. Weber2
|
| 8 | 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
|
| 9 | The SI unit of magnetic flux is |
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
|
| 10 | If the number of turns of a solenoid (carrying a steady current I) is doubled without changing the length of a solenoid, then magnetic field: |
A. Becomes Half
B. Becomes double
C. Is not affected
D. Becomes one fourth
|
Test Questions