P3 OCR Collecting Energy from the Sun 1.0 / 5 based on 1 rating ? PhysicsElectricityGCSEOCR Created by: BeckyssCreated on: 28-04-17 17:02 What are photocells made of? Silicon 1 of 5 What type of junction is in a photocell? p-n junction 2 of 5 How do engineers make sure solar reflectors reach their full potential? They move them with computers to face the sun 3 of 5 Where are windows placed in the southern hemisphere? North 4 of 5 Why does the material that makes the up photocells have impurities added to it? To produce an absense or excess of free electrons 5 of 5
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