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Electronic Devices - Semiconductors

Exercise : Semiconductors - General Questions
11.
Which statement best describes an insulator?
A material with many free electrons.
A material doped to have some free electrons.
A material with few free electrons.
No description fits.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
Effectively, how many valence electrons are there in each atom within a silicon crystal?
2
4
8
16
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The boundary between p-type material and n-type material is called
a diode.
a reverse-biased diode.
a pn junction.
a forward-biased diode.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
You have an unknown type of diode in a circuit. You measure the voltage across it and find it to be 0.3 V. The diode might be
a silicon diode.
a germanium diode.
a forward-biased silicon diode.
a reverse-biased germanium diode.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
An ideal diode presents a(n) ________ when reversed-biased and a(n) ________ when forward-biased.
open, short
short, open
open, open
short, short
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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