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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
Galvanometer is a device used for the detection of
Question # 2
the current is pass
through the straight wire. The magnetic field established around it has its
lines of force:
Question # 3
The SI unit of magnetic flux is.
Question # 4
The vector representation of force experience give the direction of
Question # 5
A field is uniform and much stronger:
Question # 6
For the conversion of galvanometer into voltmeter, we connect a
Question # 7
If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made
Question # 8
A galvanometer is an instrument used to
Question # 9
A resistance used in galvanometer to make it voltmeter is called
Question # 10
Flurescent screen is a screen where visible spot
Question # 11
Tesla is the unit of
Question # 12
The unit of magnetic flux is
Question # 13
The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
Question # 14
Avo-meter is used of measure the
Question # 15
The current is measured in
Question # 16
The force experienced by charged particle is maximum, if it moves
Question # 17
The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed
Question # 18
The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon
Question # 19
The gavanometer constant of a moving coil galvanometer is given by
Question # 20
The working of galvanometer depends upon torque exerted on a current carrying coil in
Question # 21
The most suitable material for permanent magnet is
Question # 22
A current carrying conductor sets up its own:
Question # 23
The direction of lines of force depends upon the direction of
Question # 24
Current is measured in
Question # 25
When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into
Question # 26
A full-scale deflection is obtained in a galvanometer with a current of few
Question # 27
The SI unit of flux density is.
Question # 28
The voltage increases linearly with
Question # 29
Which one of the following relations is correct?
Question # 30
In a moving coil galvanometer, the deflecting couple depends upon
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 | The most suitable material for permanent magnet is |
A. cobalt
B. iron
C. steel
D. alaminium
|
| 2 |
Amperean path is a: |
A.
Closed path
B.
Rectangular path
C.
Circular path
D.
Any
of above |
| 3 | The current is measured in |
A. volts
B. watt
C. ampere
D. ohm
|
| 4 | NmA-1 is commonly called: |
A. Weber
B. Apmere
C. Guass
D. Coulomb
|
| 5 | 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
|
| 6 | 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
|
| 7 | Which is modified form of galvanometer |
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
|
| 8 | Resistance is measured in |
A. volts
B. ampere
C. ohm
D. watt
|
| 9 | 41 The force experience, when proton projected in a magnetic field with velocity 'v' is |
A. +e(v x B)
B. -C(V x B)
C. +e2(v x B)
D. -e(v2x B)
|
| 10 | Ammeter is used to measure |
A. voltage
B. resistance
C. voltage and current
D. current
|
Test Questions
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