Solar Cells
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PHYSICS: How large a collecting area of solar cells would be necessary to produce a 1-gigawatt power plant?
Hard homework problem I don't understand.
Above the Earth's atmosphere, we receive about 1400 W=m2 of energy from the Sun. If you could convert 100
per cent of this energy into usable electricity, how large a collecting area of solar cells would be necessary to
produce a 1-gigawatt power plant?
The energy received by 1 m² = 1400 watt
Energy required to be produced = 1 giga-watt = 1 x 10^12
The area reqd. = 1x10^12 / 1400 = 714285714 m²
.................. ....................... ...........= 714 .28 Km²
................ ....................... ...............===========
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