The impurity atom added to germanium to make it N-type semiconductor i – McqOptions

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1.	The impurity atom added to germanium to make it N-type semiconductor is [KCET 1993; KCET (Engg./Med.) 2000]
A.	Arsenic
B.	Iridium
C.	Aluminium
D.	Iodine
Answer» B. Iridium

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