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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

Introduction to Capacitance

Course No. E-3007

Credit: 3 PDH

Course Fee: $86.85 Purchase course

Subject Matter Expert: A. Bhatia, Mechanical Engineer

 

Overview

Capacitance is the property of an electric conductor that characterizes its ability to store an electric charge. An electronic device called a capacitor is designed to provide capacitance in an electric circuit by providing a means for storing energy in an electric field between two conducting bodies. A capacitor in its simplest form consists of two conducting plates separated by an insulating layer called a dielectric. When a capacitor is connected in a circuit across a voltage source, the voltage forces electrons onto the surface of one plate and pulls electrons off the surface of the other plate resulting in a potential difference between the plates.

Capacitance is directly proportional to the electrostatic force field between the plates. This field is stronger when the plates are closer together. Therefore, as the distance between the plates decreases, capacitance increases. Also capacitance is directly proportional to the plate area. Larger plates provide greater capacity to store electric charge. Therefore, as the area of the plates increase, capacitance increases.

This 3-hour course provides a basic overview of capacitance theory and is based entirely on Naval Education and Training Materials (NAVEDTRA 14174), Electricity and Electronic Training Series; Module-2, Chapter 3, titled “Capacitance”.

The student must take a multiple-choice quiz consisting of fifteen (15) questions at the end of this course to obtain PDH credits.

 

Specific Knowledge or Skill Obtained

This course teaches the following specific knowledge and skills:

  • Definition of the terms "capacitor" and "capacitance"
  • Four characteristics of electrostatic lines of force
  • Three factors that affect the value of capacitance
  • Two types of power losses associated with capacitors
  • Definition of "working voltage" of a capacitor, and how to compute the working voltage of a capacitor
  • What happens to the electrons in a capacitor when the capacitor is charging and when it is discharging
  • The relationship between voltage and time in an RC circuit when the circuit is charging and discharging
  • How to calculate the value of total capacitance in a circuit containing capacitors of known value in series and parallel circuits
  • The difference between different types of capacitors

 

Course

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

Capacitance

 

Having trouble downloading the PDF file?

If clicking the link does not bring you to the PDF file, then right-click the link. Click "Save Target As" and save on your desktop. To view the file, double-click the icon on your desktop and return to this page to take the quiz. You may want to bookmark this page for your convenience. If you have questions, Live Support Chat can help.

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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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