ECAT Pre Engineering Physics Chapter 14 MCQ Test With Answer

MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism

Try The MCQ's Test For Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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Physics ECAT Pre Engineering Chapter 14 Electromagnetism

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Question # 1

The sources of magnetic field are

Question # 2

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

Question # 3

The magnetic field inside a solenoid can be increased by:

Question # 4

Method "lamp and scale arrangement" used to measure the

Question # 5

The SI unit of magnetic flux is

Question # 6

The magnetic force exerted on an electron moving with velocity 'v' at right angle to the magnetic field is given by

Question # 7

The torque per unit twist of coil is called

Question # 8

The vector representation of force experience give the direction of

Question # 9

The current is measured in

Question # 10

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

Question # 11

Magnetic flux and flux density are related by

Question # 12

The strength of magnetic field around the current conductor is

Question # 13

Tesla is the unit of

Question # 14

In the region surrounding a current carrying wire:

Question # 15

Magnetic lines of force:

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The CRO deflects the beam of electrons, when they passes through uniform
A. electric field
B. gravitational field
C. magnetic flax
D. magnetic field
2 The total number of lines of magnetic induction pasing through a surface perpendicular to the magnetic field is called
A. magnetic flux
B. magnetic flux density
C. magnetic induction
D. magnetic field intensity
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 'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?
A. 0
B. 1
C. 0.5
D. -1
5 It is customary represent a current flowing towards the reader by a symbol
A. (x)
B. (+)
C. (.)
D. (-)
6 For the conversion of galvanometer into voltmeter, we connect a
A. small resistance in series with galvanometer
B. small resistance in parallel with galvanometer
C. high resistance in parallel with galvanometer
D. high resistance series with galvanometer
7 When current passes through a solenoid coil, it behaves like a
A. loop
B. circle
C. bar magnet
D. none of these
8

Amperean path is a:
A.

Closed path

B.

Rectangular path

C.

Circular path

D.

Any of above
9

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

Circular and endless

B.

Oval in shape and endless

C.

Straight

D.

Parabolic
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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