cse • paper_2 • solid_state_electronics
[UPSC CSE 1990] Semiconductors/Solar cell (Q289, 60M)
How is a p-n junction prepared? Explain the charge and potential distributions in such a junction in open circuit. Explain how a p-n junction can be used to build a solar cell. Describe the mechanism of the increase of conductivity of Germanium by doping it with Arsenic.
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