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Basic Direct Current (DC) Theory
In Basic Direct Current (DC) Theory , you'll learn ...
- Basic DC circuit calculations
- The polarities and circuit direction associated with DC circuits
- How to apply the laws governing DC circuits to DC circuit analysis
- The various effects of DC circuit faults
Overview
Preview a portion of this course before purchasing it.
Credit: 4 PDH
Length: 65 pages
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 power sources.
Learning Objectives
Upon completion of this course, participants will be able to:
- Explain how DC voltage is produced and identify the components of an electric circuit.
- Define a rectifier and distinguish half-wave rectifiers from full-wave bridge rectifiers.
- Compare schematic, one-line, block, and wiring diagrams.
- Explain resistivity and how temperature affects the resistance of materials.
- Distinguish open, closed, and short circuits.
- Identify the characteristics of series, parallel, and combination circuits.
- Calculate current and voltage drop in series, parallel, and combination circuits.
- Determine equivalent resistance for series, parallel, and combination circuits.
- Define the terms voltage divider and current division.
- Compare electron flow theory with conventional current theory.
Certificate of Completion
You will be able to immediately print a certificate of completion after passing a multiple-choice quiz consisting of 20 questions. PDH credits are not awarded until the course is completed and quiz is passed.
| This course is applicable to professional engineers in: | ||
| Alabama (P.E.) | Alaska (P.E.) | Arkansas (P.E.) |
| Delaware (P.E.) | District of Columbia (P.E.) | Florida (P.E. Area of Practice) |
| Georgia (P.E.) | Idaho (P.E.) | Illinois (P.E.) |
| Illinois (S.E.) | Indiana (P.E.) | Iowa (P.E.) |
| Kansas (P.E.) | Kentucky (P.E.) | Louisiana (P.E.) |
| Maine (P.E.) | Maryland (P.E.) | Michigan (P.E.) |
| Minnesota (P.E.) | Mississippi (P.E.) | Missouri (P.E.) |
| Montana (P.E.) | Nebraska (P.E.) | Nevada (P.E.) |
| New Hampshire (P.E.) | New Jersey (P.E.) | New Mexico (P.E.) |
| New York (P.E.) | North Carolina (P.E.) | North Dakota (P.E.) |
| Ohio (P.E. Self-Paced) | Oklahoma (P.E.) | Oregon (P.E.) |
| Pennsylvania (P.E.) | South Carolina (P.E.) | South Dakota (P.E.) |
| Tennessee (P.E.) | Texas (P.E.) | Utah (P.E.) |
| Vermont (P.E.) | Virginia (P.E.) | West Virginia (P.E.) |
| Wisconsin (P.E.) | Wyoming (P.E.) | |
Preview a portion of this course before purchasing it.
Credit: 4 PDH
Length: 65 pages
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