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

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

Question # 2

The magnetic field inside a solenoid can be increased by:

Question # 3

The SI unit of flux density is

Question # 4

Current is measured in

Question # 5

Galvanometer is a device used for the detection of

Question # 6

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

Question # 7

The most suitable material for permanent magnet is

Question # 8

In a moving coil galvanometer, the deflecting couple depends upon

Question # 9

The permeability of free space is measured in:

Question # 10

The straight current carrying conductor experiences maximum force in a uniform magnetic field when it is placed

Question # 11

The strength of magnetic field around the current conductor is

Question # 12

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

Question # 13

Total number of turns on 0.15 m length solenoid is 300. the value of n is:

Question # 14

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

Question # 15

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

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ECAT Physics Chapter 14 Important MCQ's

Sr.# Question Answer
1 The vector representation of force experience give the direction of
A. magnetic field
B. current
C. length of conductor
D. force
2 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
3 How many number of anodes used in electron gun
A. one
B. two
C. three
D. six
4 When charged particle is projected perpendicular to a uniform magnetic field its trajectory is
A. circular
B. elliptical
C. cycloid
D. straight line
5 In the expression of force experienced by electron, the direction of both v and B are
A. parallel
B. zero
C. perpendicular
D. none of them
6 A resistance used in voltmeter is called
A. shunt resistance
B. high resistance
C. low resistance
D. zero resistance
7 The unit of flux density is also given by
A. Weber/m2or Wb . m-2
B. Weber/mor Wb . m
C. Weber/mor Wb . m-1
D. Weber or Wb
8 For measuring large currents, an ordinary galvanometer cannot be used without proper, then both relates with each other as
A. modification
B. voltage
C. current
D. resistance
9 The SI unit of magnetic flux is
A. NmA-2
B. NmA-1
C. NAm-1
D. Nm2A-1
10 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

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