Definition:Power (Physics)/Instantaneous

Definition

The instantaneous power transformed at an instant of time is defined as:

$\map p t = \dfrac {\d \map E t} {\d t}$

where:

$\map p t$ is the power as a function of time

$\map E t$ is the energy as a function of time.

Sources

• 1976: Ralph J. Smith: Circuits, Devices and Systems (3rd ed.) ... (previous) ... (next): Chapter $1$: Electrical Quantities: Definitions and Laws: Definitions: Power