This video is called “The Best Multimeter Tutorial (HD)” and I would have to say, it’s pretty damn good. If you work with electronics at all, and need to use a multimeter at some point, watch this video. Short and smart.
Tag: Electrical
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Basic Electricity Explained (via YouTube)
[youtube http://www.youtube.com/watch?v=zYS9kdS56l8?wmode=transparent&autohide=1&egm=0&hd=1&iv_load_policy=3&modestbranding=1&rel=0&showinfo=0&showsearch=0&w=500&h=374]
This is a pretty cool basic video about how electricity works. Bonus points for the description of Ohm’s Law at the end (hint: it isn’t about math).
(Source: http://www.youtube.com/) -
Ground Loops Demonstrated (via YouTube)
[youtube http://www.youtube.com/watch?v=4YM1iwC6vhg?wmode=transparent&autohide=1&egm=0&hd=1&iv_load_policy=3&modestbranding=1&rel=0&showinfo=0&showsearch=0&w=500&h=374]
Even though this is demonstrated with a guitar amp, the principle still holds to other audio and electrical systems. Got a hum? Might be a ground loop.
(Source: http://www.youtube.com/)