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A perfect crystal of silicon (Figure) is doped with some elements as given in the options. Which of these options show n-type semiconductors?
Answers (1)
The answer is the option (i, iii). N-type semiconductor are formed when a crystal is doped with pentavalent impurity elements i.e. elements with 5 electrons in valence shell.
In option a and c, the crystal has been doped with elements of group 15 like P and As.
View full answer
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