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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
The SI unit of flux density is
Question # 2
Magnetic induction is also called as:
Question # 3
Strength of magnetic field is measured in SI units, in:
Question # 4
The e/m of an electron moving in a circular path in a magnetic field is equal to
Question # 5
A galvanometer is an instrument used to
Question # 6
Tesla is the unit of
Question # 7
Magnetic lines of force:
Question # 8
The SI unit of magnetic flux is.
Question # 9
Ammeter is used to measure
Question # 10
The unit of magnetic flux is
Question # 11
If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
Question # 12
The SI unit of magnetic permeability is
Question # 13
For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as
Question # 14
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 # 15
The SI unit of magnetic flux is
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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 | Resistance is measured in |
A. volts
B. ampere
C. ohm
D. watt
|
| 2 |
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
|
| 3 | A relationship between Gauses of magnetic induction and Tesla(T) is given by |
A. G 10-3T
B. G = 10-2T
C. G = 10-4T
D. G = 10-1T
|
| 4 | In the formula B= µ̻ nl, the symbol n denotes: |
A.
Total number of turns
of solenoid
B.
Number
of turns per unit length
C.
Number of turns per
unit volume
D.
Numbers of turns per
unit area |
| 5 | The SI unit of magnetic induction is |
A. Gauses
B. Tesla
C. Weber
D. Weber2
|
| 6 | The current is measured in |
A. volts
B. watt
C. ampere
D. ohm
|
| 7 | Flurescent screen is a screen where visible spot |
A. vanishes
B. is made
C. becomes small and large
D. none of these
|
| 8 | The SI unit of magnetic flux is |
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
|
| 9 | The SI unit of magnetic permeability is |
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
|
| 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