1. What is the commercial unit of electrical energy? Represent it in terms of joules.
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
Commercial unit of electrical energy is kilowatt/hr 1 kw/hr = 1 kW h
= 1000 W × 60 × 60s
= 3.6 × 106 J
Commercial unit of electrical energy is kilowatt/hr 1 kw/hr = 1 kW h
= 1000 W × 60 × 60s
= 3.6 × 106 J