Question

define one volt and what is electric power

Answer 1

1 volt is the amount of energy in a atom.
S. I unit-1.602*18^-19 joule

Answer 2

One volt :- one volt can be defined as the work done by one joule to move a charge of one colomb from one place to another
Electric power:- it is the rate per Unit time at which electric circuit .
The SI unit of power is vatt
One joule per second