Q. Which of the following is the commercial unit of electric power?
a. Joule
b. KWh
c. Watt
d. Ampere
The commercial unit of electric power or electric energy is s kilowatt hour (kW h) which is commonly known as ‘unit’.1 kWh= 3.6 x 10⁶ Joule. The SI unit of electric power is watt (W).
