Amateur Extra Class Lesson 4.3, Part 2, Principles of Circuits, 11th Edition

Here’s Part 2 of your video introduction to Section 4.3, “Principles of Circuits,” from the ARRL Extra Class License Manual for Ham Radio. This section discusses resonance, Q (quality factor), Properties of components at RF and Microwave frequencies, and magnetic cores. NOTE: NOTE: Lester Wetherell points out a mistake: “In your video amateur extra lesson [4.3 Part 2], made a mistake saying 10 pF = 1 X 10^-12. Just thought you should know. WD4IFU Lester” Yes, it should be 10E-12, not 1E-12. Sorry for the mistake.

You can find a complete list of the Amateur Extra videos by clicking here, or click here to go to the YouTube Amateur Extra playlist. Please post your questions either below or on the YouTube page for this video. Good luck in your studies!