Unit of Power is known as

A machine do a work of 100 joule in 20 second. What is its power?

1 Horse Power (HP) = _________ Watt.

The rate of change of work is _______ .

What is the smallest unit of power?

Joule/second is the unit of:

പവറിന്റെ യൂണിറ്റ് ഏത് ?