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

In the region surrounding a current carrying wire:

Question # 2

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

Question # 3

CRO deflects the beam of

Question # 4

The torque per unit twist of coil is called

Question # 5

A galvanometer in which the coil comes to rest quickly after the current passed through it, or the current stopped form flowing through it, is called

Question # 6

A long wire wound tightly on a cylindrical core is called:

Question # 7

The SI unit of magnetic induction is

Question # 8

A resistance used in galvanometer to make it voltmeter is called

Question # 9

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

Question # 10

The current is measured in

Question # 11

When an electron enters in a magnetic field right angle to its motion, the magnitude of its velocity will be

Question # 12

The most suitable material for permanent magnet is

Question # 13

The vector representation of force experience give the direction of

Question # 14

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

Question # 15

The working of all DC electric meters (galvanometers, ammetersand voltmeters) depends upon

Question # 16

The current sensitivity of the galvanometer is

Question # 17

magnetic field is a:

Question # 18

It is customary represent a current flowing towards the reader by a symbol

Question # 19

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 # 20

The working of galvanometer depends upon torque exerted on a current carrying coil in

Question # 21

A beam of electrons is provided by an

Question # 22

Tesla is the unit of

Question # 23

The SI unit of flux density is

Question # 24

When a suitable small resistance is put in parallel with the galvanometer coil, it is converted into

Question # 25

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

Question # 26

The strength of magnetic field around the current conductor is

Question # 27

Magnetic lines of force:

Question # 28

In the expression of force experienced by electron, the direction of both v and B are

Question # 29

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

Question # 30

The SI unit of flux density is.

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The current sensitivity of the galvanometer is
A. C/BAN
B. BAN/C
C. CAN/B
D. CBN/A
2 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
3 '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
4 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
5 Centripetal force for electron is given by
A. mv2/ r
B. mv / r2
C. mv2/ r
D. mr2/ v
6 The SI unit of magnetic induction is tesla which is equal to
A. Newton/ampere-meter or N/A-m
B. Newton/ampere2-meter or N/A2-m
C. Newton/ampere2-meter2 or N/A2-m2
D. Newton/ampere2-meter2or N/A2-m2
7 Avo-meter is used of measure the
A. current, voltage
B. voltage, resistance
C. resistance, current
D. current, voltage and resistance
8 The strength of magnetic field around the current conductor is
A. Smaller near the conductor
B. Greater near the conductor
C. Greater at the large distance from the conductor
D. Constant near and away from the conductor
9 Galvanometer is a device used for the detection of
A. voltage
B. current
C. temperature
D. pressure
10 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six

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