EngiRef / Electrical Engineering Formula

Apparent Power

Apparent Power: Product of RMS voltage and current. An AC Circuits formula in electrical engineering. Variables S, V and I, each with SI and imperial units.

AC Circuits

Specification

Name
Apparent Power
Discipline
electrical
Category
AC Circuits
LaTeX
S = VI
Description
Product of RMS voltage and current
Can solve for
S, V, I
Tags
apparent, power, va, rms

Variables

Variables for Apparent Power
SymbolNameUnitSi Unit
SApparent PowerVAVA
VRMS VoltageVV
IRMS CurrentAA