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How To Make Photovoltaic Cells
Nathan Said:How Much Energy per Acre from the Sun Hits the Earth? How Much of that Energy does a Corn Field Capture?
We Answered:Solar Constant
Describes the Solar Radiation that falls on an area above the atmosphere at a vertical angle: s = 1.37 kW / m².
In space, solar radiation is practically constant; on earth it varies with the time of day and year as well as with the latitude and weather. The maximum value on earth is between 0.8 and 1.0 kW / m². In Germany, the average annual amount of insolation varies between 950 and 1100 kWh / m², depending on the region.
The photovoltaic cells are made of special materials called as semiconductors, which is currently worn most usually. When light strikes the cell, a certain portion of it is absorbed within the semiconductor material. This signifys that the energy of the absorbed light is transferred to the semiconductor
5 htp said:
Unlike the past decade, which saw solar solutions purchased mainly by international donors, it is now the locals who are increasingly opening their wallets to make the switch from their traditional energy means. That is because solar products prices in recent years have declined to become cheaper than kerosene and batteries.
People have started depending on photovoltaic cells for domestic purpose for several reasons. You can prepare one at home. Making photo voltaic cells involves the ways to connect cells and to produce more or less of energy. Broken solar cells are comparatively very easy to make and cheap.;
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