ECAT Pre General Science Physics Chapter 14 MCQ Test With Answer

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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ECAT Pre General Science Physics Chapter 14 Electromagnetism

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Question # 1

A charged particle moving at right angle to the magnetic field will experience

Question # 2

The force experienced by a single charge carrier moving with velocity 'v' i magnetic field of strength 'B' is given by

Question # 3

Avo-meter is used of measure the

Question # 4

The unit of magnetic flux is

Question # 5

The SI unit of magnetic flux is

Question # 6

Method "lamp and scale arrangement" used to measure the

Question # 7

A current carrying conductor sets up its own:

Question # 8

Electron gun consist of

Question # 9

When charged particle is projected perpendicular to a uniform magnetic field its trajectory is

Question # 10

The strength of magnetic field around the current conductor is

Question # 11

A long wire wound tightly on a cylindrical core is called:

Question # 12

The magnetic field in the middle of a solenoid due to current is

Question # 13

Magnetic flux passing through the an element of are A placed perpendicular to a uniform magnetic field Bis:

Question # 14

(CRO) Cathode ray oscilloscope is a device used for high speed

Question # 15

The field around a moving charge is called

Question # 16

A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called

Question # 17

Gauss(G) is smaller unit of magnetic induction which is related to tesla(T) as

Question # 18

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 # 19

the current is pass through the straight wire. The magnetic field established around it has its lines of force:

Question # 20

The angle of deflection of coil can be measured by the

Question # 21

In the formula B= µ̻ nl, the symbol n denotes:

Question # 22

When the waveform of one voltage is increasing and that of second is decreasing and vice versa, then phase difference between these voltage is

Question # 23

Flurescent screen is a screen where visible spot

Question # 24

Magnetic flux and flux density are related by

Question # 25

The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called

Question # 26

Magnetic induction is also called as:

Question # 27

A magnetic force on an electron travelling with 108ms-1parallel to a field of strength 1 Wb m-2is

Question # 28

F = I(L x B) is a

Question # 29

41 The force experience, when proton projected in a magnetic field with velocity 'v' is

Question # 30

The force experienced by charged particle is maximum, if it moves

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 Weber is a unit of
A. magnetic flux
B. magnetic filed intensity
C. magnetic induction
D. magnetic flux density
3 In order to make a voltmeter, high resistance is connected with galvanometer, in
A. perpendicular
B. may be paralled or pendicular
C. series
D. none of these
4 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
5 Magnetic flux and flux density are related by
A. Flux density = flux x area
B. Flux density = flux / area
C. Flux density = flux - area
D. None of these
6 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
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 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
9 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
10 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these

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