A) Germanium is doped with bismuth
B) Silicon is doped with antimony
C) Germanium is doped with gallium
D) Silicon is doped with phosphorus
Correct Answer: C
Solution :
: p-type semiconductor is obtained when silicon (Si) or germanium (Ge) is doped with trivalent impurity like, boron, aluminium (Al), gallium (Ga) etc. n-type semiconductor is obtained when silicon (Si) or germanium (Ge) is doped with pentavalent impurity like arsenic (As), antimony (Sb), bismuth(Bi) etc.You need to login to perform this action.
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