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Simple Definitions

The most important electronics terms, demystified in one place.

Ohm's Law

Our Take

Ohm’s law is the fundamental equation used in electrical engineer and is the relationship between voltage, resistance and current. V = IR or voltage equals the current times resistance. This simple equation is easily re-arranged depending on what variables you have and which variable you need to solve for.

Book Definition

In electric circuits, I = V/R.

Grob’s Basic Electronics, 11th Edition by Mitchel E. Schultz

Ohm’s law states that the voltage v across a resistor is directly proportional to the current i flowing through the resistor.

Fundamentals of Electric Circuits, 5th Edition by Charles K. Alexander and Matthew N. O. Sadiku

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