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Basic electrical quantities

Lektion Progression

Basic electrical quantities

The international standard units, Système international d’unités (SI units), that are commonly used for electrical quantities include coulombs, amperes, volts, ohms, watts and joules.

The fundamental unit of electricity is the negative charge of the electron or the positive charge of an ionised atom that has lost a single electron (resulting from the positive charge on the protons in the nucleus outnumbering that of the remaining electrons).