Question

Define power .state its characters.

Answer 1

Power is the rate of dont work.

P =
$\frac{w}{change \: in \: time}$
It can also we called the product of Force and velocity

P
$= f \times v$
It is a scalar quantity.
It means it has magnitude but no direction.

Answer 2

Rate of doing work is called power. It's unit is watt. Power =work done /time taken. 1 watt hour =3600 joule.