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The energy band diagrams for three semic...

The energy band diagrams for three semiconductor samples of silicon are as shown. We can then assert that

A

sample X Is undoped white samples 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 respectively

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 white samples Y and Z have been doped with a fifth and a third group impurity, respectively

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The correct Answer is:
D
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