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Rusty Heap
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Join Date: May 2006
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Understanding Electrical Basics

Here's a great way for a novice to understand electrical basics.

As a Retired EE engineer, I get questions often as most people don't understand or grasp Electricals Fundamentals.

Thought this would help people understand Electrical basics.

I = Amps (Current)
V = Volts, or Electrical Potential
R= Resistance or Ohms, A Resistance to Current flow.
Watts = Work, determined by levels of Volts and Amps and Efficiency of your circuit.

Think of a 5 gallon bucket of water.

How Full it is, is Volts, or potential.
If you drill a hole in the bottom of it, the water I (Current) flow is determined by the size of your hole is Resistance. Ohms, as it restricts Current Flow.
So a bigger hole allows less Resistance and permits more Current to flow.
If you put a water wheel into the stream and it turns, that is work or Watts, which is determined by a combination of Volts and Current flow regulated by the Resistance.

How efficiently you can create Watts is determined by a combination of the Below.


Great way to visualize Watts going on. (pun intended).

Hope this helps someone out. Smile if I made your day and you learned something. Good Karma pays forward. Do your part and share this understanding.

Now Ya'll know how to let the smoke out of the wires.....


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Old 02-27-2024, 09:00 AM
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