Semiconducting Devices Question 189

Question: Intrinsic semiconductor is electrically neutral. Extrinsic semiconductor having large number of current carriers would be

[AMU (Engg.) 2001]

Options:

A) Positively charged

B) Negatively charged

C) Positively charged or negatively charged depending upon the type of impurity that has been added

D) Electrically neutral

Show Answer

Answer:

Correct Answer: D

Solution:

Extrinsic semiconductor (N-type or P-type) are neutral.



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