Dipoles — Lesson 5

This lesson covers the principles of electromagnetic fields, focusing on electric and magnetic dipoles. It introduces the concept of wave impedance and explains how to calculate the maximum possible radiated field. The lesson also discusses how to determine the radiation field from a wire by dividing it into small dipoles. It further explains the concept of electric and magnetic dipoles, their fields, and how to calculate the total field. The lesson also delves into the concept of wave impedance, its calculation for electric and magnetic dipoles, and its significance in electronic shielding. It concludes with an example calculation for the maximum radiated field.

Video Highlights

00:12 - Introduction and Outline
03:06 - Electric dipole
09:29 - Magnetic dipole
14:08 - Wave impedance
18:10 - Wave impedance with distance from dipole

Key Takeaways

- Electric and magnetic dipoles are crucial in understanding electromagnetic fields.
- Wave impedance is a significant concept in electromagnetic fields, and its calculation varies for electric and magnetic dipoles.
- The maximum radiated field can be calculated using the principles of electric and magnetic dipoles.
- The radiation field from a wire can be determined by dividing it into small dipoles.
- The wave impedance concept is extensively used in the analysis of electronic shielding.