Basics of Electrical Theory
Credits: 5 PDH
PDH Course Description:
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.
To take this course:
1.) Enroll in Course: Click below to enroll:(must be logged into your user account)
Download the Study Guide
3.) Test: Once you've thoroughly read the course materials, please click below to take the final examination.
Take the final exam
4.) Certificate: A passing grade of 70% or higher on the exam, is required to receive the certificate of completion for this PDH course.
NOTE: After the exam is completed, you will need to return to this page, in order to print (download) the certificate of completion.
Print the Certificate of Completion
Publication Source: US Dept. of Energy
Print the Certificate of Completion
Publication Source: US Dept. of Energy
Donald Parnell, PE