Magnetic Circuit — Lesson 2

This lesson covers the concept of reluctance and inductance in electromagnetic circuit. It begins with a review of the model for a simple wire loop. The lesson further discusses the concept of reluctance and how it can be used to simplify the analysis of a magnetic circuit. It also discusses equivalent electerical circuit for analyzing a magnetic circuit. The lesson concludes with a discussion on the importance of inductance in electromagnetic systems and how it can be used to analyze and understand these systems.

Video Highlights

00:11 - Introduction
13:06 - Discussion on the concept of inductance
14:08 - Explanation of the assumptions made in determining the inductance
16:25 - Explanation of Faraday's law and Lenz's law
21:09 - Writing loop equations
31:25 - Equivalent electricsl circuit for analyzing magnetic circuit
43:12 - Discussion on the concept of self inductance, mutual inductance, and leakage inductance

Key Takeaways

- The introduction of iron into the vicinity of a wire loop causes a much higher field to be generated.
- The concept of reluctance can be used to simplify the analysis of a magnetic circuit.
- Electrical equivalent circuit is used to finf the magnetic characteristics of a system.
- Inductance is an important concept in electromagnetic systems and can be used to analyze the magnetic systems.