Question 1 You are given three bifacial solar cells, and asked to construct a triple cell. The absorber is made from materials A, B, C, which have cutoff wavelengths of 1400, 600 and 1000 nm respectively. In what order should they be placed ? In the answers, the first material is closest to the Sun, the second in the middle and the third furthest from the Sun. B, A, C B, C, A A, C, B C, B, C

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Q: . Calculate the length of covalent bond radius in silicon. (lattice constant a=0.543 nm)

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Types of Charge Carriers

A carrier is a type of object which carries a particular thing from one point to another point. For instance, people use different vehicles from one place to another, and the vehicle carries those people and acts as a carrier.