ECAT Pre Computer Science Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Physics Chapter 14 Electromagnetism

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

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ECAT Physics Chapter 14 Electromagnetism

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Question # 1

The most suitable material for permanent magnet is

Question # 2

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

Question # 3

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

Question # 4

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

Question # 5

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

Question # 6

Charge to mass ratio (e/m) of an electron is given by the relation

Question # 7

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

Question # 8

Tesla is the unit of

Question # 9

Magnetic flux and flux density are related by

Question # 10

F = I(L x B) is a

Question # 11

Amperean path is a:

Question # 12

How many number of anodes used in electron gun

Question # 13

The vector representation of force experience give the direction of

Question # 14

Which one of the following relations is correct?

Question # 15

The SI unit of magnetic induction is

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which one of the following relations is correct?
A. 1 Wb-m2= Nm-1A-1
B. 1 tesla = 104 gausses
C. 1 Wb-m2= 1 tesla
D. All of the above
2 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
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 A solenoid is a coil of wire which is:
A.

Short, loosely wound, cylindrical

B.

Long, tightly wound, spherical

C.

Long, loosely wound, cylindrical

D.

Long, tightly wound, cylindrical
5 (CRO) Cathode ray oscilloscope is a device used for high speed
A. velocity
B. graph plotting
C. time-velocity
D. none of these
6 Magnetic induction is also called as:
A.

Ampere’s law

B.

Faraday’s law

C.

Lenz’s law

D.

Newton’s law
7 F = I(L x B) is a
A. vector
B. scalar
C. unit vector
D. none of these
8 CRO deflects the beam of
A. proton
B. a-particle
C. electron
D. neutron
9 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
10 The SI unit of flux density is.
A. Tesla
B. Weber
C. Gaun
D. Weber/meter

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