Electronics - Semiconductor Principles - Discussion

Discussion Forum : Semiconductor Principles - General Questions (Q.No. 15)
15.
Which semiconductor material is made from coal ash?
germanium
silicon
tin
carbon
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
12 comments Page 2 of 2.

Anusha said:   1 decade ago
But coal consists of carbon right. Then?

Roopali Thakurta said:   1 decade ago
Please any one help me with the relation between coal ash and germanium!


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