Dave analyses Veritasium's video "The Big Misconception About Electricity" and how energy flows in the Poynting vector in the electromagnetic field OUTSIDE the wire instead of inside the wire.
• The Big Misconception About Electricity
Extra notes on simulation: • Veritasium Electricity Video Simula...
00:00 Veritasium's video "The Big Misconception About Electricity"
00:32 Rection to the points in the video
01:11 This is a bit MISLEADING!
02:28 Electron drift
03:51 Engineers use different tools and theorems
04:27 Every electrical engineer knows this
05:17 Everything he says is correct
08:24 What is current?
09:30 He doesn't address this in the video. Poynting vectors at DC
11:12 How the lightbulb works
12:41 At the physics level, it's correct
14:11 My only problem with this is...
15:08 Is it just an academic discussion?
16:17 The undersea cable is just early transmission line theory
17:20 So what is the answer to the question?
22:06 What about skin effect and DC?
25:44 Let's simulate this and answer the question
29:18 Transient analysis
33:00 DC Steady State analysis
34:28 The quantitative values don't matter
38:25 But what about DC steady state?
40:24 What does Richard Feynman think?
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