Definition

Power is the rate of doing work. It is the capacity of doing work. It is also the rate of using energy.

SI Unit

The SI Unit of Power is Watts, or Joules/sec.

Formulae

Also, by substitution of formulae,

Unit of Electricity Supplied at Home

It is kWh (Kilowatt Hour). It is equivalent to 1000 Watt Hours.

Values


Backlinks

Electricity


Flashcards

What is power? ? Power is the rate of doing work. It is the capacity of doing work. It is also the rate of using energy.

The SI Unit of Power is {{Watts, or Joules/sec}}

What is the unit of electricity supplied at home and its value in Joules? ? It is kWh (Kilowatt Hour).