Solar Energy 0.0 / 5 ? PhysicsEnergyGCSEOCR Created by: AmyCreated on: 15-05-13 19:08 Advantages of Photocells Photocells have no moving parts, and can work in remote locations. 1 of 6 Disadvantages of Photocells No power in bad weather, or at night. 2 of 6 How do Photocells work? The sun’s energy or light energy is absorbed by the photocells causing them to dislodge from the photocell and travel in a direct current. 3 of 6 Power Output of a Photocell The output of photocells depends on the surface area that is exposed to light. 4 of 6 Solar Panels Solar Panels containing curved mirrors focus light energy to a point so that water can be heated. 5 of 6 Passive Solar Heating Glass windows provide passive solar heating for buildings. 6 of 6
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