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Simple Definitions

The most important electronics terms, demystified in one place.

Watt

Our Take

The unit of measurement of power. As power is the product of current and volt, watts are measured the same way. For example, 1 amp at 5 volts is 5 watts. Or 5 amps at 1 volt is 5 watts.

Book Definition

Unit of real power. Equal to I2R or VI cos θ.

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