Welcome to ECE Board Exam Practice Quiz for Electricity and Magnetism Fundamentals. This set of practice quiz 4 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 ratio between the intensity of magnetization produced in a substance to the magnetizing force producing it
Magnetic Reluctivity
Magnetic Resistivity
Magnetic susceptibility
Magnetic conductivity
Correct!
Wrong!
The emf produced in a wire by its motion across a magnetic field does not depend upon the
Diameter of the wire
Length of the wire
Orientation of the wire
Flux density of the field
Correct!
Wrong!
The emission of electrons from hot bodies is called
Radiation effect
Edison effect
Skin effect
Half effect
Correct!
Wrong!
Permeability means
The conductivity of the material for magnetic lines of force
The magnetization test in the material after exciting field has been removed
The strength of an electromagnet
The strength of the permanent magnet
Correct!
Wrong!
A germanium atom has an atomic weight of 72. How many neutrons are there?
32
40
34
36
Correct!
Wrong!
The ratio of the total flux (flux in iron path) to the useful flux (flux in air gap)
Leakage flux
Leakage current
Leakage coefficient
Leakage factor
Correct!
Wrong!
All magnetic field originates from
moving electric charge
Iron atoms
Magnetic domain
Permanent magnets
Correct!
Wrong!
Permeance is analogous to
Conductance
Reluctance
Admittance
Resistance
Correct!
Wrong!
Steel is hard to magnetize because of its
Low permeability
High permeability
High density
High retentivity
Correct!
Wrong!
Refers to the magnetic lines
Flux
Hysteresis
Current
Magnetomotive force
Correct!
Wrong!
The magnetic field inside a solenoid
is zero
is uniform
increases with distance from the axis
decreases with distance from the axis
Correct!
Wrong!
An effect which is generally used in the gaussmeter to measure flux density.
Skin effect
Magnetic effect
Hall effect
Flywheel effect
Correct!
Wrong!
When a wire loop is rotated in a magnetic field the direction of the induced emf changes one in every _______ revolution.
1/3
1/2
1/4
2/3
Correct!
Wrong!
The simplest type of atom to exist is the _______ atom.
Helium
Hydrogen
Boron
Oxygen
Correct!
Wrong!
The quantity of magnetism retained by a magnetic material after withdrawal of the magnetizing force is called
Leftover magnetism
Hysteresis
Residual magnetism
Coercivity
Correct!
Wrong!
A magnetic material losses its ferromagnetic properties at a point called
Curie temperature
Inferred absolute temperature
Room temperature
Absolute temperature
Correct!
Wrong!
The tiniest element of matter
Atom
Proton
Electron
Neutron
Correct!
Wrong!
The K shell or the first shell has how many permissible number of orbiting electrons?
1
2
3
4
Correct!
Wrong!
A permanent magnet does not exert a force on
an unmagnetized iron bar
a magnetized iron bar
a moving electric charge
a stationary electric charge
Correct!
Wrong!
Magnetic effects of the earth as a huge magnet with north and south poles.
Diamagnetic
Ferromagnetic
Terrestrial magnetism
Terrestrial ferromagnetism
Correct!
Wrong!
A group of magnetically aligned atoms is called
Range
Lattice
Domain
Crystal
Correct!
Wrong!
The uncharged particles which have no effect on its atomic charge.
Nucleons
Electrons
Protons
Neutrons
Correct!
Wrong!
The magnetic field of a bar magnet most closely resembles the magnetic field of
a horseshoe magnet
a straight current- carrying wire
a stream of electrons moving parallel to one another
a current- carrying wire loop
Correct!
Wrong!
Defined as the flux density produced in it due to its own induced magnetism
Magnetic field intensity
Electric field intensity
Electromagnetic field intensity
Intensity magnetization
Correct!
Wrong!
The air space between poles of magnets
Air gap
Free space
Vacuum
Atmosphere
Correct!
Wrong!
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Electricity and Magnetism – Quiz 04
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