Consider solar radiation of 200 J/m2 and per unit time during daylight, find the area of Photo Voltaic (PV) cells needed to generate enough electric power to run
(i) a desktop computer of 400 W
(ii) an electric geyser of 1 kW and
(iii) a toaster of 500 W.
Assume the efficiency of PV to be 25%.
1
38 m2
2
8 m3
3
5 m2
4
20 m2