MHT CET 2022 Physics question
Not in JEE Advanced syllabus
Pure silicon crystal at 300 K has equal electron (n) and hole (n) concentration of m. Doping by indium increases n to m. Then n in the doped silicon is
Answer: (A)
Solution
By the law of mass action, is constant at a given temperature. For pure silicon m, so . After doping with indium (p-type),
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