SemiconductorHard
Question
The energy band diagrams for three semiconductor samples of silicon are as shown. We can then assert that :-
Options
A.Sample X is undoped while sample Y and Z have been doped with a third group and a fifth group impurity respectively
B.Sample X is undoped while both samples Y and Z have been doped with a fifth group impurity
C.Sample X has been doped with equal amounts of third and fifth group impurities while samples Y and Z are undoped
D.Sample X is undoped while samples Y and Z have been doped with a fifth group and a third group impurity respectively
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