Learn Ohm's Law and learn the equations and formulas for Ohm's Law. Ohm's law formulas are the basics for understanding electricity, electronics, electromagnetism and our world today. The ratings on the back of all electrical devices are all related to Ohm's Law. They are put there for a reason learn what they mean.

Ohm's Law for DC circuits is very simple, E = IR . This expands into the diagram below.

Above is an image of Ohm's law for DC circuits

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