Question

The rate at which an electrical device uses energy is called_____.

Answer 1

1. Electric power is the rate at which work is done or energy is transformed into an electrical circuit.
2. It is a measure of how much energy is used in a span of time.
3. It is denoted by $P$ and measured using the SI unit of power is the watt or one joule per second.

Hence, The rate at which an electrical device uses energy is called electric power.