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

In a moving coil galvanometer, the deflecting couple depends upon

Question # 3

The angle of deflection of coil can be measured by the

Question # 4

Tesla is the unit of

Question # 5

Flurescent screen is a screen where visible spot

Question # 6

CRO deflects the beam of

Question # 7

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 # 8

Which one of the following relations is correct?

Question # 9

The current sensitivity of the galvanometer is

Question # 10

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

Question # 11

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 # 12

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Question # 13

A field is uniform and much stronger:

Question # 14

The SI unit of magnetic flux is.

Question # 15

F = I(L x B) is a

Question # 16

The magnetic field inside a solenoid can be increased by:

Question # 17

The vector representation of force experience give the direction of

Question # 18

Method "lamp and scale arrangement" used to measure the

Question # 19

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

Question # 20

Magnetic flux and flux density are related by

Question # 21

Avo-meter is used of measure the

Question # 22

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

Question # 23

A current carrying conductor sets up its own:

Question # 24

When current passes through a solenoid coil, it behaves like a

Question # 25

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 # 26

Weber is a unit of

Question # 27

Electron gun consist of

Question # 28

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

Question # 29

if the field is directed along the normal to the area, then flux is:

Question # 30

The torque per unit twist of coil is called

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter
2 A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is
A. minimum
B. maximum
C. zero
D. none of these
3 When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into
A. Voltmeter
B. Avometer
C. Ammeter
D. None of these
4 The torque per unit twist of coil is called
A. proportionality constant
B. gravitational constant
C. boltzman constant
D. coupling constant
5 The SI unit of magnetic flux is.
A. weber
B. Nm-1A-1
C. tesla
D. gauss
6 Which is modified form of galvanometer
A. potentiometer
B. battery
C. voltmeter
D. slide wire bridge
7 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
8 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these
9 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
A. magnetic flux
B. magnetic induction
C. magnetic field
D. self inductance
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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