howto:conceptual_electronics_videos
This is an old revision of the document!
Table of Contents
Conceptual Electronics Videos
I just found a series of videos that animate various physics concepts. The first one I found was on the concept of impedance:
But this was #15 in a series of 24 videos. I just finished watching the first few and they basically managed to start from scratch and work their way up to Electro-Magnetism. Pretty cool! One thing they could have improved is the labelling:
- Red particles are positive charges
- Blue particles are negative charges
- Purple arrows are electric fields
- Green arrows are magnetic fields.
Also, this first video can seem overwhelming, with all these fields creating each other, but there's really only four rules:
| Name | Math | Description |
|---|---|---|
| Gauss' Law | $\vec{\nabla} \cdot \vec{E} = \frac{\rho}{\varepsilon_0}$ | An electric charge (right) creates an electric field that points away from the charge and “disperses” to infinity (left) |
| Gauss' Law of Magnetism | $\vec{\nabla} \cdot \vec{B} = 0 | A magnetic field (left) can not “disperse” to infinity the way an electric field can. In other words: they are no “magnetic charges” the way there are electric charges |
| Faraday's Law of Induction | $\vec{\nabla} \times \vec{E} = \frac{\del \vec{B}}{\del t} | |
howto/conceptual_electronics_videos.1571675120.txt.gz · Last modified: 2019/10/21 09:25 by ve7hzf