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

The SI unit of flux density is

Question # 2

The sources of magnetic field are

Question # 3

The SI unit of magnetic induction is tesla which is equal to

Question # 4

In the region surrounding a current carrying wire:

Question # 5

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

Question # 6

The torque per unit twist of coil is called

Question # 7

The SI unit of magnetic flux is.

Question # 8

Weber is a unit of

Question # 9

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

Question # 10

If current through conductor is 1 A and length of conductor is 1m placed at right angle to the magnetic field, then the strength of magnetic field is

Question # 11

The SI unit of magnetic flux is

Question # 12

For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as

Question # 13

The pointer of a magnetic compass:

Question # 14

Resistance is measured in

Question # 15

To convert galvanometer into ammeter we connect

Question # 16

A galvanometer is an instrument used to

Question # 17

The direction of lines of force depends upon the direction of

Question # 18

Current is measured in

Question # 19

Magnetic lines of force:

Question # 20

Amperean path is a:

Question # 21

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

Question # 22

A resistance used in voltmeter is called

Question # 23

When the charged particle is projected at right angles to the field, then experienced by it will be:

Question # 24

Flurescent screen is a screen where visible spot

Question # 25

The magnetic field inside a solenoid can be increased by:

Question # 26

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

Question # 27

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 # 28

The most suitable material for permanent magnet is

Question # 29

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

Question # 30

A beam of electrons is provided by an

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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 The e/m of an electron moving in a circular path in a magnetic field is equal to
A. V/Br
B. V/B2r2
C. V2/Br2
D. V2/Br
3 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
4 The magnetic field in the middle of a solenoid due to current is
A. weak
B. strong and uniform
C. none-uniform
D. zero
5 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
6 Magnetic lines of force:
A.

Cannot intersect at all

B.

Intersect at infinity

C.

Intersect within magnet

D.

Intersect at Neutral Point
7 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
8 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
9 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
10 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:
A. -y direction
B. +y direction
C. +z direction
D. -z direction

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