Ohm's Law - The Keysight 2-Minute Guru (s2e6)

Busting Ohm's law - why it is and isn't useful.
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What is Ohm's law? Learn about the Ohm's law equation, why it's useful for circuit analysis and design, and why it doesn't always work.

In this video, we verify Ohm's law with a simple circuit and an oscilloscope, then look at a practical example of what Ohm's law is used for in the real world by lighting (and destroying) an LED with too much current.

Voltage, current, and resistance (/impedance) are all tied together by "Ohm's Law," an empirical law that's useful for basic circuits.

In the real world, though, Ohm's Law doesn't always work - like when a Jacob's ladder's leads have too big of a gap and won't arc. There's still a voltage and a resistance present, but current is zero. Or, the terminals of a battery.

Tune in for future 2-Minute Guru episodes covering more oscilloscope, electrical engineering and electronics basics!

Follow me on Twitter: @DanielBogdanoff
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Learn more about using oscilloscopes:
http://oscilloscopelearningcenter.com

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   • EEs Talk Tech - An Electrical Enginee...  

The 2-Minute Guru Season 2 playlist:
   • What is Electrical Resistance? The Ke...  

The 2-Minute Guru Season 1playlist:
   • The Keysight 2-Minute Guru (Season 1)  

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The digital storage oscilloscope we used:
http://www.keysight.com/en/pcx-275955...
(The Keysight InfiniiVision 1000 X-Series Oscilloscope)

This is an awesome cheap oscilloscope for beginners! Need a little more from your oscillosocpe? I recommend the InfiniiVision 2000 X-Series or 3000T X-Series oscilloscopes.
Both of them have a built in digital multimeter, function generator (WaveGen), and more!


The 2-Minute Guru, hosted by Daniel Bogdanoff, is dedicated to teaching the basics of electrical engineering concepts and equipment.

Music by: Lou Leaves the Room

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