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 magnetic permeability is

Question # 2

Magnetic flux passing through a element whose vector area makes an angle0º with lines of magnetic force is:

Question # 3

A shunt resistance parallel to the galvanometer is used to convert it into

Question # 4

Weber is a unit of

Question # 5

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

Question # 6

The force acting as one meter length of the conductor placed at right angle to the magnetic field, when one A current is passing through it, defines the

Question # 7

The SI unit of magnetic flux is.

Question # 8

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

Question # 9

The CRO deflects the beam of electrons, when they passes through uniform

Question # 10

The most suitable material for permanent magnet is

Question # 11

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

Question # 12

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

Question # 13

A full-scale deflection is obtained in a galvanometer with a current of few

Question # 14

Avo-meter is used of measure the

Question # 15

F = I(L x B) is a

Question # 16

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

Question # 17

Resistance is measured in

Question # 18

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

Question # 19

A beam of electrons is provided by an

Question # 20

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

Question # 21

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 # 22

A galvanometer is an instrument used to

Question # 23

The field around a moving charge is called

Question # 24

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

Question # 25

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

Question # 26

The magnetic field outside the solenoid due to current is

Question # 27

In a straight current carrying conductor, the direction of magnetic field can be found by

Question # 28

In the region surrounding a current carrying wire:

Question # 29

To convert galvanometer into ammeter we connect

Question # 30

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

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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 The magnetic field outside the solenoid due to current is
A. strong
B. zero
C. weak
D. uniform
3 In the expression of force experienced by electron, the direction of both v and B are
A. parallel
B. zero
C. perpendicular
D. none of them
4 The force experienced by an electron projected in a magnetic field B with a velocity V is given by
A. F=e(V x B)
B. F= -e(V x B)
C. F= e(B x V)
D. Both a and c
5 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
6 Method "lamp and scale arrangement" used to measure the
A. angle of deflection
B. restoring torque
C. magnetic field strength
D. current
7 The SI unit of magnetic induction is
A. Gauses
B. Tesla
C. Weber
D. Weber2
8 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
9 The permeability of free space is measured in:
A. Wb/Am
B. Wb A/m
C. Am/Wb
D. m/Web A
10 The force acting on a charge moving in a magnetic field
A. is perpendicular to the both magnetic field and direction of motion
B. is proportional to the magnetic of charges
C. vanishes when the motion is directly opposite to the direction of field
D. all of the above

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