COURSEUS$319
Basics of Electrical Theory
This 65 page, 5 hour refresher course covers basic electrical and magnetism theories.
schedule 5 hours4.6(18 ratings)
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About this course
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This 65 page, 5 hour refresher course covers basic electrical and magnetism theories.
Topics:
Upon the completion of this course, the student will be able to:
Given a simple electrical circuit, apply basic electrical theory fundamental principles to describe circuit operation.
Describe the following terms: Electrostatic force, Electrostatic field, Potential difference, Electromotive force (EMF), Ion charge
Define the following terms: Conductor, Insulator, Resistor, Electron current flow, Conventional current flow, Direct current (DC), Alternating current (AC), Ideal source, Real source
Describe the following electrical parameters, including the unit of measurement and the relationship to other parameters: Voltage, Current, Resistance , Conductance, Power, Inductance, Capacitance
Given any two of the three component values of Ohm’s Law, determine the unknown component value.
Describe how the following methods produce a voltage:Electrochemistry, Static electricity, Magnetic Induction, Piezoelectric effect, Thermoelectricity, Photoelectric effect, Thermionic emission
Define the following terms:Magnetic flux, Magnetic flux density, Weber, Permeability, Magnetomotive force (mmf), Ampere turns, Field intensity, Reluctance
Describe the following materials as they relate to permeability, including an example and an approximate relative permeability: Ferromagnetic materials, Paramagnetic materials, Diamagnetic materials
Explain the physical qualities of a simple magnetic circuit, including relationships of qualities and units of measurements.
Given the physical qualities of a simple magnetic circuit, calculate the unknown values.
Describe the shape and components of a BH magnetization curve.
Explain the cause of hysteresis losses.
Given Faraday’s Law of induced voltage:
Describe how varying parameters affect induced voltage.
Calculate voltage induced in a conductor moving through a magnetic field.
State Lenz’s Law of induction.
Publication Source: US Dept. of Energy
This course includes:
schedule5 hours on-demand content
signal_cellular_altBeginner level
task_altNo preparation required
calendar_todayPublished At Apr 27, 2022
workspace_premiumCertificate of completion
errorNo prerequisites
lock1 year access
calendar_todayUpdated At Aug 8, 2024
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