Two initially identical samples A & B of pure germanium are doped with – McqOptions

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1.	Two initially identical samples A & B of pure germanium are doped with donors to concentrations of 1 × 1020 and 3 × 1020 respectively. If the hole concentration in A is 9 × 1012 then the hole concentration in B at the same temperature will be
A.	3 × 1012 m-3
B.	7 × 1012 m-3
C.	11 × 1012 m-3
D.	27 × 1012 m-3
Answer» B. 7 × 1012 m-3

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