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

00:00
Question # 1

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

Question # 2

Which is modified form of galvanometer

Question # 3

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

Question # 4

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

Question # 5

A voltmeter is used to measure the

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

When some compass needles are placed on a card board along a circle with the center at the wire, they will

Question # 8

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

Question # 9

The SI unit of magnetic flux is

Question # 10

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

Question # 11

The galvanometer can be made sensitive if the value of the factor C/BAN is

Question # 12

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

Question # 13

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

Question # 14

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

Question # 15

The CRO is used for displaying the waveform of a given

Question # 16

A relationship between Gauses of magnetic induction and Tesla(T) is given by

Question # 17

The force experienced by an electron projected in a magnetic field B with a velocity V is given by

Question # 18

The field around a moving charge is called

Question # 19

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

Question # 20

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 # 21

In order to make a voltmeter, high resistance is connected with galvanometer, in

Question # 22

The pointer of a magnetic compass:

Question # 23

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

Question # 24

'K' is the proportionality constant of force experienced by conductor. What is the value of 'K' in SI units?

Question # 25

A resistance used in galvanometer to make it voltmeter is called

Question # 26

Ammeter is used to measure

Question # 27

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

Question # 28

Which one of the following relations is correct?

Question # 29

The current sensitivity of the galvanometer is

Question # 30

CRO deflects the beam of

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
2 Tesla is the unit of
A. Magnetic induction or flux density
B. Magnetic flux
C. Self inductance
D. None of these
3 The CRO is used for displaying the waveform of a given
A. current
B. voltage
C. both of them
D. none of them
4 When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be
A. changed
B. zero
C. unchanged
D. none of these
5 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
6 The angle of deflection of coil can be measured by the
A. one method
B. three method
C. two method
D. none of these
7 In the region surrounding a current carrying wire:
A. A magnetic field is setup

B.

The lines of force are elliptical

C.

Direction of lines of forces depends upon direction of current

D.

Both (A) and (C)
8 A charged particle moving at right angle to the magnetic field will experience
A. minimum force
B. maximum force
C. zero
D. moderate force
9 The sources of magnetic field are
A. isolated magnetic poles
B. charges at rest
C. charges in motion
D. none of these
10 The voltage increases linearly with
A. time
B. velocity
C. acceleration
D. torque

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