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Electronic Devices - Semiconductors

Exercise : Semiconductors - General Questions
21.
There is a small amount of current across the barrier of a reverse-biased diode. This current is called
forward-bias current.
reverse breakdown current.
conventional current.
reverse leakage current.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
As the forward current through a silicon diode increases, the voltage across the diode
increases to a 0.7 V maximum.
decreases.
is relatively constant.
decreases and then increases.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Doping of a semiconductor material means
that a glue-type substance is added to hold the material together.
that impurities are added to increase the resistance of the material.
that impurities are added to decrease the resistance of the material.
that all impurities are removed to get pure silicon.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
The forward voltage across a conducting silicon diode is about
0.3 V.
1.7 V.
–0.7 V.
0.7 V.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
The most common type of diode failure is a(n) ________.
open
short
resistive
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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