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Question: Answered & Verified by Expert
An $n$-type semiconductor is
PhysicsSemiconductorsVITEEEVITEEE 2015
Options:
  • A neutral
  • B positively charged
  • C negatively charged
  • D negatively or positively charged depending on the amount of impurity added
Solution:
2960 Upvotes Verified Answer
The correct answer is: neutral
The n-type semiconductor has excess of free electrons for conduction. The total number of electrons in an atom is equal to the total number of protons in the nucleus. So, $\mathrm{n}$-type semiconductor is neutral.

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