P2a 0.0 / 5 ? PhysicsSolar Cell TechnologyGCSEOCR Created by: 12c.otooleCreated on: 11-05-15 13:41 What is a Photocell? Photocells are cells which convert light energy into kinetic energy and then ultimately (and most importantly) into electrical energy. 1 of 9 Uses of a Photocell? Watches, Outdoor lights, Calculators, Solar Panlels, Providing energy, Road/Traffic cameras. 2 of 9 What are photocells made from? Silicon 3 of 9 How does distance affect the power output of a photocell? it will reduce the power output as the distance increases 4 of 9 What current do photocells produce? A direct current 5 of 9 Explain how a photocell works in terms of energy: Light Energy -> Kinetic Energy -> Electrical Energy 6 of 9 What is Passive Solar Heating? Glass can be used to provide solar heating for buildings. 7 of 9 what do Solar Collectors do? it reflects ligh to a focus by using a curved surface 8 of 9 What must an efficient Solar Collector do? An efficient solar collector must track the position of the sun in the sky 9 of 9
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