Electricity and Magnetism Practice Quiz 05

Electricity and Magnetism Practice Quiz 05

Welcome to ECE Board Exam Practice Quiz for Electricity and Magnetism Fundamentals. This set of practice quiz 5 will test your competence on the theories, concepts and problem solving involving Electricity and Magnetism. The objectives and goals of this quiz is to help engineering students familiarize concepts and theories as well as develop problem solving skills when answering questions related to the Electricity and Magnetism Fundamentals.

Electricity and Magnetism Test Bank

In this section are compiled practice quiz for Electricity and Magnetism that could be able to enhance your knowledge and skills in your preparation for the ECE Board Exam. The goal is to add thousands of questions for you to be familiarized and hopefully help you to be prepared. I am looking forward that this practice quiz will give you an additional confidence in taking your upcoming Engineering Board Exam.

Guidelines:
  • Read and understand each question before choosing the best answer.
  • The correct answer will be reveal after you have chosen your answer for every questions
  • There is no time limit, answer the questions at your own pace.
  • Once all questions are answered, you will be shown your rating.
  • You have to get 70% of the total items to pass the quiz.
  • You can re-take the quiz as many times as you want or until you are satisfied of your rating.
  • Comment us your thoughts, scores, ratings, and questions about the quiz in the comments section below!

Choose the letter of the best answer in each questions.

The magnetic energy stored in an inductor is ________ current.
Directly proportional to
Inversely proportional to
Directly proportional to the square of
Inversely proportional to the square of

Correct!

Wrong!

Hydrogen is an example of a ________ material.
Paramagnetic
Diamagnetic
Ferromagnetic
Non- magnetic

Correct!

Wrong!

How many neutrons does a copper atom have?
32
33
34
29

Correct!

Wrong!

One ampere- turn is equivalent to _______ gilberts.
1.16
1.26
1.36
1.46

Correct!

Wrong!

The energy stored in an electrostatic field or electromagnetic field is called
Electromagnetic energy
Kinetic energy
Potential energy
Rest energy

Correct!

Wrong!

Which element has four valence electrons?
Conductor
Insulator
Semiconductor
Semi- insulator

Correct!

Wrong!

One electron volt (1 eV) is equivalent to _______ joules
1.3 x 10^-19
1.4 x 10^-19
1.5 x 10^-19
1.6 x 10^-19

Correct!

Wrong!

An alloy of 22 percent iron and 78 per cent nickel.
Permalloy
Alnico
Constantan
Manganin

Correct!

Wrong!

Flux density is measured in
Tesla
Weber
Ampere- turn
Maxwell

Correct!

Wrong!

The quantity 10^6 Maxwell’s is equivalent to one
Weber
Gauss
Gilbert
Tesla

Correct!

Wrong!

A t/m is a unit of
Mmf
Emf
Reluctance
Magnetizing force

Correct!

Wrong!

What is the SI unit of magnetic flux?
Tesla
Weber
Maxwell
Gauss

Correct!

Wrong!

Gases whose particles are charged are known as
Conductors
Insulators
Gaseous Conductors
Plasma

Correct!

Wrong!

An atom or a group of atoms that carries a net electric charge.
Positive ion
Negative ion
Ion
Electron

Correct!

Wrong!

Which of the following has the least number of valence electrons?
Conductor
Semiconductor
Insulator
Semi- insulator

Correct!

Wrong!

How many electrons are needed in the valence orbit to give a material’s stability?
8
4
6
5

Correct!

Wrong!

The evaporation of electrons from a heated surface is called
Radiation
Convection
Thermionic emission
Conduction

Correct!

Wrong!

Which of the following is a vector quantity?
Magnetic potential
Magnetic field intensity
Magnetic permeability
Flux density

Correct!

Wrong!

What is the cgs unit of magnetomotive force?
Gilbert
Ampere- turn
Maxwell
Weber

Correct!

Wrong!

A commercial alloy of aluminum nickel, and iron with cobalt, copper and titanium added to produce about 12 grades.
Alnico
Brass
Aluminum
Constantan

Correct!

Wrong!

The physical motion resulting from the forces of magnetic fields is called
Motor action
Rotation
Repulsion
Torque action

Correct!

Wrong!

Magnetic intensity is a
Phasor quantity
Physical quantity
Scalar quantity
Vector quantity

Correct!

Wrong!

The magnetic flux of 2000 lines is how much is the flux in Weber?
2 x 10^-5
2 x 10^-3
2 x 10^5
2 x 10^3

Correct!

Wrong!

Which of the following is a paramagnetic material?
Carbon
Copper
Bismuth
Oxygen

Correct!

Wrong!

The unit of electrical energy is
Joule
Watt- second
Kilowatt- hour
All of these

Correct!

Wrong!

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Electricity and Magnetism – Quiz 05

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