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Simple Definitions

The most important electronics terms, demystified in one place.


Our Take

Current is the measurement of electron movement. The unit of measurement is ampere, almost always referred to as an amp, and is established as one coulomb moving past a specific point per second. As it is the movement of electrons, you say that current flows "through" an object or device.

Book Definition

The time rate of change of charge, measured in amperes.

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

A movement of electric charges around a closed path or circuit.

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

The rate of flow of electrical charge.

Electronic Devices : Conventional Current Version, 9th Edition by Thomas L. Floyd

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