(a) The commercial unit of energy is kilowatt hour (kW h).
1 kW h = 3.6 x 10^6 J
(b) Given P = 60 W,
t = 10 h,
W = ?
W = P x t
= 60 x 10
= 600 W h
= 0.6 kW h.
(a) The commercial unit of energy is kilowatt hour (kW h).
1 kW h = 3.6 x 10^6 J
(b) Given P = 60 W,
t = 10 h,
W = ?
W = P x t
= 60 x 10
= 600 W h
= 0.6 kW h.