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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
Magnetic induction is also called as:
Question # 2
A resistance used in voltmeter is called
Question # 3
A beam of electrons is provided by an
Question # 4
Magnetic flux and flux density are related by
Question # 5
For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as
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
Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:
Question # 8
Which one of the following relations is correct?
Question # 9
Which is modified form of galvanometer
Question # 10
The magnetic field inside a solenoid can be increased by:
Question # 11
In the formula B= µ̻ nl, the symbol n denotes:
Question # 12
Magnetic lines of force:
Question # 13
The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
Question # 14
Hold the solenoid in the right hand with fingers curling in the direction of current. The direction of the field will be given by:
Question # 15
A galvanometer is an instrument used to
Top Scorers Of ECAT Physics Chapter 14 Electromagnetism MCQ`s Test
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H Heer 23 - Jan - 2024 00 Min 43 Sec 60/60 -
D dark goblin 18 - Jul - 2024 00 Min 45 Sec 60/60 -
R Rizwan Khuharo 13 - Apr - 2024 00 Min 51 Sec 60/60 -
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A Abdullah Baloch 29 - Jul - 2024 04 Min 47 Sec 55/60 -
M maliha Tariq 05 - Feb - 2024 05 Min 24 Sec 55/60 -
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M Muhammad noor Ahmed 28 - Feb - 2024 05 Min 32 Sec 50/60 -
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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 | Which one of the following relations is correct? |
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
|
| 2 | A current carrying conductor sets up its own: |
A.
Electric field
B.
Nuclear field
C.
Magnetic field
D.
Both
(A) and (C) |
| 3 | The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon |
A. Heating effect of current
B. Chemical effect of current
C. Magnetic effect of current
D. Electromagnetic effect of current
|
| 4 | Charge to mass ratio (e/m) of an electron is given by the relation |
A. e/m = 2V/Br2
B. e/m = 2V/B2r
C. e/m = 2V/B2r2
D. e/m = V/2B2r2
|
| 5 | 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
|
| 6 | Current is measured in |
A. volts
B. watt
C. ohm
D. ampere
|
| 7 | Lorentz force is defined as |
A. q(E + V x B)
B. q(E x B + V)
C. q(E x V + B)
D. q(E x B)
|
| 8 | When charged particle is projected perpendicular to a uniform magnetic field its trajectory is |
A. circular
B. elliptical
C. cycloid
D. straight line
|
| 9 | The current sensitivity of the galvanometer is |
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
|
| 10 | A resistance used in voltmeter is called |
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
|
Test Questions
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