Electricity and Magnetism Practice Quiz 06

Electricity and Magnetism Practice Quiz 06

Welcome to ECE Board Exam Practice Quiz for Electricity and Magnetism Fundamentals. This set of practice quiz 6 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.

A negative ion results when an atom gains an additional
Electron
Proton
Neutron
Atom

Correct!

Wrong!

The permeability of permalloy is
Very much greater than permeability of air
Slightly greater than permeability of air
Slightly less than permeability of air
Equal to the permeability of air

Correct!

Wrong!

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

Correct!

Wrong!

What is the unit of reluctance?
Maxwell
Gauss
At/Wb
Weber

Correct!

Wrong!

Bonding of atoms that is due to the force of attraction between positive ions and a group of negative ions
Ionic bond
Covalent Bond
Electrostatic Bond
Metallic bond

Correct!

Wrong!

Residual magnetism refers to the flux density, which exists in the iron core when the magnetic field intensity is
Minimized
Reduced to zero
Maximize
Unity

Correct!

Wrong!

An electron- volt (eV) is a unit of
Energy
Potential difference
Charge
Momentum

Correct!

Wrong!

The core of a magnetic equipment uses a magnetic material with
Least permeability
Low permeability
Moderate permeability
High permeability

Correct!

Wrong!

One oersted (Oe) is equivalent to ______ Gb/cm.
1
10
100
1000

Correct!

Wrong!

The unit of flux is _______ in cgs system.
Tesla
Gilbert
Maxwell
Oersted

Correct!

Wrong!

Electrons at the outer shell are called
Outer shell electrons
Inner shell electrons
Semiconductor electrons
Valence electrons

Correct!

Wrong!

The magnetic flux of 2000 lines is how many Maxwells?
1000
2000
4000
8000

Correct!

Wrong!

A good conductor has how many valence electrons?
1
4
2
8

Correct!

Wrong!

The idea of preventing one component from affecting another through their common electric and magnetic field is referred to as
Hall effect
Grounding
Shielding
Limiting

Correct!

Wrong!

Which of the following electric quantities is vector in character?
Field
Charge
Energy
Potential Difference

Correct!

Wrong!

The customary energy unit in atomic and nuclear physics is
Joule
Volt- coulomb
electron-volt
Walt- second

Correct!

Wrong!

One of the common application of an air-cored choke.
Radio frequency
Audio frequency
Power supply
Power transformer

Correct!

Wrong!

What is the unit of magnetomotive force?
Volt
Tesla
Ampere – turn
Weber

Correct!

Wrong!

What principle states that each electron in an atom must have a different set of quantum numbers?
Inclusion principle
Exclusion principle
Quantum principle
Electron principle

Correct!

Wrong!

Electron is a Greek word for
amber
Fire
Stone
Heat

Correct!

Wrong!

Hysteresis refers to the ________ between flux density of the material and the magnetizing force applied.
Leading effect
Ratio
Equality
Lagging effect

Correct!

Wrong!

The force between two magnetic poles is ________ their poles strength.
equal to
directly proportional to
inversely proportional to
directly proportional to the square root of

Correct!

Wrong!

Which of the following statements is TRUE?
Silicon dioxide is a good
The current carriers in conductors are valence electrons
For conductors, the valence electron are strongly attracted to the nucleus
The valence electrons are located in the nucleus of an atom

Correct!

Wrong!

Flux linkages equals
Flux times area of core
Flux times number of turns times area of core
Flux times number of turns times length of core
Flux times number of turns

Correct!

Wrong!

An alloy of 40 percent iron and 60 percent nickel.
Alnico
Permalloy
Hipernik
Manganin

Correct!

Wrong!

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Electricity and Magnetism – Quiz 06

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