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Simple Definitions

The most important electronics terms, demystified in one place.

Amperes (Amps)

Our Take

Measurement of current, the movement of one coulomb of charge in one second. Depending on the application, a few milliamps can be a lot of current whereas in power applications, thousands of amps is the norm.

Book Definition

Ohm’s law - 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

The basic unit of current. 1A=1C/1s or 1A=1V/1Ω.

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

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