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OHM’S LAW AND THE POWER MATRIX, click on the link below
In this LearnElectrics video we will explore Ohm’s Law and Power Law and show you the Power Matrix.
These formulas are so very useful, they can quickly and accurately help you to choose the right size breaker for example, or work out diversity and lots more, if you know how to manipulate the numbers.
Ohm’s Law is probably the most taught formula in the electrical trade.
Together with Power Law it is essential that we know how to use it and in this video, we show you worked examples of all the formulas, and examples for you to try yourself.
There are always lots of questions about ohm’s law and power calculations…
How do we use ohm’s law?
How does the power triangle work?
Can we combine the triangles together?
If I know just two values, can I work out the others?
And many more interesting questions.
To get a printable PDF of the Power Matrix …
Enter P192 into the search box and a page will open up with a link to the PDF
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