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MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism
Try The MCQ's Test For ECAT Pre General Science Physics Chapter 14 Electromagnetism
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Total Questions30
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Time Allowed30
ECAT Pre General Science Physics Chapter 14 Electromagnetism
00:00
Question # 1
The torque per unit twist of coil is called
Question # 2
magnetic field is a:
Question # 3
Flurescent screen is a screen where visible spot
Question # 4
The permeability of free space is measured in:
Question # 5
The most suitable material for permanent magnet is
Question # 6
The SI unit of magnetic permeability is
Question # 7
A solenoid is a coil of wire which is:
Question # 8
Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as
Question # 9
When current passes through a solenoid coil, it behaves like a
Question # 10
The SI unit of magnetic induction is
Question # 11
Tesla is the unit of
Question # 12
In order to make a voltmeter, high resistance is connected with galvanometer, in
Question # 13
Weber is a unit of
Question # 14
The voltage increases linearly with
Question # 15
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 # 16
The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
Question # 17
A field is uniform and much stronger:
Question # 18
A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
Question # 19
The current is measured in
Question # 20
When some compass needles are placed on a card board along a circle with the center at the wire, they will
Question # 21
The force acting on a charge moving in a magnetic field
Question # 22
if the field is directed along the normal to the area, then flux is:
Question # 23
To convert galvanometer into ammeter we connect
Question # 24
A galvanometer is an instrument used to
Question # 25
The sources of magnetic field are
Question # 26
Avo-meter is used of measure the
Question # 27
'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
Question # 28
A resistance used in voltmeter is called
Question # 29
In a moving coil galvanometer, the deflecting couple depends upon
Question # 30
The unit of flux density is also given by
Top Scorers Of ECAT Pre General Science Physics Chapter 14 Electromagnetism MCQ`s Test
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M M Abduullah 17 - Feb - 2021 13 Min 51 Sec 65/120 -
W Waleed Ahmed 25 - Feb - 2023 18 Min 24 Sec 55/120 -
I Inzmam Rajper 16 - Jun - 2022 10 Min 50 Sec 50/120 -
H Hiba Akhtar 06 - Mar - 2023 06 Min 56 Sec 45/120
ECAT Physics Chapter 14 Important MCQ's
| Sr.# | Question | Answer |
|---|---|---|
| 1 | A current carrying conductor sets up its own: |
A.
Electric field
B.
Nuclear field
C.
Magnetic field
D.
Both
(A) and (C) |
| 2 | The SI unit of magnetic induction is |
A. Gauses
B. Tesla
C. Weber
D. Weber2
|
| 3 | The working of galvanometer depends upon torque exerted on a current carrying coil in |
A. magnetic field
B. electric field
C. gravitational field
D. nuclear field
|
| 4 | The SI unit of magnetic induction is tesla which is equal to |
A. Newton/ampere-meter or N/A-m
B. Newton/ampere2-meter or N/A2-m
C. Newton/ampere2-meter2 or N/A2-m2
D. Newton/ampere2-meter2or N/A2-m2
|
| 5 | The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by |
A. F=eVB
B. F=e2V/B
C. F=e/VB
D. F=B2/ev
|
| 6 | 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 |
A. n/AL
B. Al/n
C. nAL
D. nA/L
|
| 7 | 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
|
| 8 | A meter wire carraying a current of 2A is at right angle to the uniform magnetic field of 0.5 Weber/m2The force on the wire is |
A. 5N
B. 4N
C. 1.5N
D. 6N
|
| 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 | A resistance used in galvanometer to make it voltmeter is called |
A. shunt resistance
B. high resistance
C. zero resistance
D. none of these
|
Test Questions
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