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Electronics and Communication Engineering - Electronic Devices and Circuits - Discussion

Discussion Forum : Electronic Devices and Circuits - Section 2 (Q.No. 7)
Electronic Devices and Circuits
7.
n-type semiconductors
are negatively charged
are produced when indium is added as impurity to germanium
are produced when phosphorus is added as impurity to silicon
none of the above
Answer: Option
Explanation:

n type semiconductor is produced when pentavalent impurity is added.

Discussion:
1 comments Page 1 of 1.
Sunny reddy said:   8 years ago
It is doped with pentavalent to tetravalent impurities called n-type semiconductor.

Whereas trivalent impurities is added to tetravalent elements called p-type semiconductor.
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