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This course accepted in:

 

• Alabama (P.E.)

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Abbreviations:

AOP-Areas of Practice

LAR-Laws & Rules

P.E.-Professional Engineers

 

Explore all PDH CEU CPC CPD and Webinars for Engineers

Basic Direct Current (DC) Theory

Course No. E-4011

Credit: 4 PDH

Course Fee: $115.80 Purchase course

Subject Matter Expert: A. Bhatia, Mechanical Engineer

 

Overview

Direct current or DC electricity is the continuous movement of electrons from an area of negative (-) charges to an area of positive (+) charges. A DC circuit is necessary to allow the current or stream of electrons to flow. Such a circuit consists of a source of electrical energy (such as a battery) and a conducting wire running from the positive end of the source to the negative terminal.

DC circuits may be in series, parallel or a combination. Understanding DC circuits is important for learning about the more complex AC circuits. This course introduces the basic electricity and electrical circuit concepts associated with direct current. Topics include calculation of current, voltage, resistance and power in series, parallel and combination circuits with direct current (DC) power sources.

The 4-hr course material is based entirely on US Department of Energy training materials DOE-HDBK-1011/1-92, Fundamentals Handbook, Electrical Science; volume 1 of 4 and covers module 2, Basic DC Theory.

 

Specific Knowledge or Skill Obtained

This course teaches the following specific knowledge and skills:

  • How is DC voltage produced and what does an electric circuit consist of
  • What is a rectifier and how half-wave bridge rectifiers differ from full-wave bridge rectifiers
  • What is the difference between a schematic diagram, one-line diagram, block diagram and wiring diagram
  • What is resistivity and how temperature affects the resistance of materials
  • What is the difference between open circuit, close circuit, and short circuit
  • What primary characteristics identify a series, parallel or a combination circuit
  • How to calculate the current and voltage drop in series, parallel or combination circuits
  • How to calculate the equivalent resistance for a series, parallel or combination circuit
  • What is meant by the terms voltage divider and current division
  • How is electron flow theory different from conventional current theory

 

Course

Click on the following link to the PDF document to review the course material before taking the quiz for credit.

Basic DC Theory

 

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To receive PDH credit for this course, you must pass a multiple-choice quiz. Click the button below to Purchase Course and Take Quiz. To take the quiz, your computer must be set to accept cookies. See how to check your cookie settings.

 

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