Question

define power. Give the SI unit of power

Answer 1

The rate of doing work is called power. Its SI unit is J/sec (Joule/second) or W (Watt).

Answer 2

power is given as work done per unit time
The SI unit of power is the watt (W), which is equal to one joule per second. Other units of power include ergs per second (erg/s), horsepower (hp)