Welcome to ECE Board Exam Practice Quiz for Electricity and Magnetism Fundamentals. This set of practice quiz 1 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.
Materials whose permeabilities are slightly greater than that of free space
Paramagnetic
Non- magnetic
Ferromagnetic
Diamagnetic
Correct!
Wrong!
Defined as a closed path in which magnetic induction or flux flows
Electric circuit
Magnetic circuit
Electronic circuit
Electromagnetic circuit
Correct!
Wrong!
The total number of magnetic lines of force in a magnetic field is called
Magnetic flux
Magnetic flux density
Magnetic flux intensity
Magnetic potential
Correct!
Wrong!
Lenz’ law states that the direction of the induced emf and hence current
Is determined by the rate of current flux
Is found by the right hand rule
Is found by the left hand rule
Always opposes the cause producing it
Correct!
Wrong!
What is the diameter of an atom?
About 10^-10 m
About 10^-10 cm
About 10^-10 mm
About 10^-10 µm
Correct!
Wrong!
Materials that have very high permeabilities (hundreds and even thousands times of that of free space)
Paramagnetic
Non-magnetic
Ferromagnetic
Diamagnetic
Correct!
Wrong!
The point in a magnet where the intensity of magnetic lines of force is maximum
Magnetic pole
South pole
North pole
Unit pole
Correct!
Wrong!
Which of the following is a natural magnet?
Steel
Magnesia
Lodestone
Soft iron
Correct!
Wrong!
Who discovered that a current-carrying conductor would move when placed in a magnetic field?
Michael Faraday
Andre Ampere
Hans Christian Oersted
Gustav Robert Kirchhoff
Correct!
Wrong!
Define as that pole which when placed in air from a similar and equal pole repels it with a force of newtons.
North pole
South pole
Unit pole
Magnetic pole
Correct!
Wrong!
The emf induced in a coil due to the changing current of another neighboring coil is called
Mutually induced emf
Self induced emf
Statically induced emf
Dynamically induced emf
Correct!
Wrong!
It is the reciprocal of reluctance and implies the case of readiness with which magnetic flux is developed.
Resistance
Conductance
Permeance
Inductance
Correct!
Wrong!
A law that states that the current in a thermionic diode varies directly with the three-halves power of anode voltage and inversely with the square of the distance between the electrodes, provided operating conditions are such that the current is limited only by the space charge.
Hall’s law
Joule’s law
Child’s law
Coulomb’s law
Correct!
Wrong!
A law that states that the polarity of the induced voltage will oppose the change in magnetic flux causing the induction.
Joule’s law
Faraday’s law
Coulomb’s law
Lenz’ law
Correct!
Wrong!
The space outside the magnet where its pole have a force of attraction or repulsion on a magnetic pole is called
Magnetic field
Electric field
Electromagnetic field
Free Space Field
Correct!
Wrong!
Which of the following magnetic materials can be easily magnetized in both direction?
Soft magnetic materials
Hard magnetic materials
High hysteresis loss materials
Low hysteresis loss materials
Correct!
Wrong!
Which of the following materials has permeability slightly less than that of free space?
Paramagnetic
Non-magnetic
Ferromagnetic
Diamagnetic
Correct!
Wrong!
The force of attraction or repulsion between two magnetic poles is inversely proportional to the square of the distance between them. This is known as
Newton’s first law
Faraday’s first law of electromagnetic induction
Coulomb’s first law
Coulomb’s second law
Correct!
Wrong!
If the right handed bottle-opener cork screw is assumed to be along the conductor so as to advance in the direction of current flow, the motion of its handle will indicate the direction of magnetic flux produced around the conductor. This is known as
Right hand rule
Left hand rule
Cork screw rule
End rule
Correct!
Wrong!
The magnetic potential in a magnetic circuit can be measured in terms of
Mmf
Emf
Farad
Coulomb
Correct!
Wrong!
A law establishing the fact that the algebraic sum of the rises and drops of the mmf around a closed loop of a magnetic circuit is equal to zero.
Kirchhoff’s circuital law
Maxwell’s circuital law
Ampere’s circuital law
Coulomb’s circuital law
Correct!
Wrong!
Who discovered superconductivity in 1911?
Kamerlingh Onnes
Alex Muller
Geory Bednorz
Charles Coulomb
Correct!
Wrong!
The straight line passing through the two poles of magnet is called
Real axis
Cartesian axis
Magnetic axis
Imaginary axis
Correct!
Wrong!
The point in a magnet where the intensity of magnetic lines of force is maximum
Magnetic pole
South pole
North pole
Unit pole
Correct!
Wrong!
If the solenoid is gripped by the right hand with the fingers pointing the direction of current flow, the outstretched thumb will then point the north pole. This is known as
Right hand rule
Helix rule
End rule
Cork screw rule
Correct!
Wrong!
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Electricity and Magnetism – Quiz 01
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