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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
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Question # 1
Which is modified form of galvanometer
Question # 2
When charged particle is projected perpendicular to a uniform magnetic field its trajectory is
Question # 3
(CRO) Cathode ray oscilloscope is a device used for high speed
Question # 4
A resistance used in voltmeter is called
Question # 5
In order to make a voltmeter, high resistance is connected with galvanometer, in
Question # 6
The direction of lines of force depends upon the direction of
Question # 7
Electron gun consist of
Question # 8
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 # 9
In the region surrounding a current carrying wire:
Question # 10
A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is
Question # 11
A current carrying conductor sets up its own:
Question # 12
The force experienced by an electron projected in a magnetic field B with a velocity V is given by
Question # 13
The SI unit of magnetic induction is
Question # 14
The CRO deflects the beam of electrons, when they passes through uniform
Question # 15
For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as
Question # 16
Amperean path is a:
Question # 17
The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by
Question # 18
The working of galvanometer depends upon torque exerted on a current carrying coil in
Question # 19
A beam of electrons is provided by an
Question # 20
A shunt resistance parallel to the galvanometer is used to convert it into
Question # 21
A resistance used in galvanometer to make it voltmeter is called
Question # 22
The most suitable material for permanent magnet is
Question # 23
The voltage increases linearly with
Question # 24
A long wire wound tightly on a cylindrical core is called:
Question # 25
How many number of anodes used in electron gun
Question # 26
The current is measured in
Question # 27
The strength of magnetic field around the current conductor is
Question # 28
F = I(L x B) is a
Question # 29
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 # 30
Avo-meter is used of measure the
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 | Current is measured in |
A. volts
B. watt
C. ohm
D. ampere
|
| 2 | Method "lamp and scale arrangement" used to measure the |
A. angle of deflection
B. restoring torque
C. magnetic field strength
D. current
|
| 3 | The CRO deflects the beam of electrons, when they passes through uniform |
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
|
| 4 | The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by |
A. F =q(v/B)
B. F=q2(v x B)
C. F=q(v x B)
D. F= vx B
|
| 5 | The SI unit of magnetic flux is |
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
|
| 6 | When charged particle is projected perpendicular to a uniform magnetic field its trajectory is |
A. circular
B. elliptical
C. cycloid
D. straight line
|
| 7 | The galvanometer can be made sensitive if the value of the factor C/BAN is |
A. constant
B. small
C. large
D. none of these
|
| 8 | The current in microamperes required to produce one millimeter deflection on a scale placed one meter away from the mirror of the galvanometer, defined the sensitivity of |
A. ammeter
B. voltmeter
C. galvanometer
D. avo-meter
|
| 9 | If the value of galvanometer constant k = C/BAN is made small, the galvanometer can be made |
A. Sensitive
B. Accurate
C. Stable
D. None of these
|
| 10 | The SI unit of magnetic permeability is |
A. WB A-1m-1
B. WB mA-1
C. WB Am-1
D. None of these
|
Test Questions
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