# quadrature power

## Definition

### Electronics

- The power in an
__AC circuit__which cannot perform__work__. It is calculated by the following formula:=*P*, where*I·V·sinθ*is the power in watts,*P*is the current in amperes,*I*is the voltage in volts, and sinθ is the sine of the*V*__angular phase difference__between the current and the voltage. Also called reactive power, idle power, wattless power,__volt__-amperes reactive, or reactive volt-amperes.