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Zener Diode(General Knowledge > General Science ) Questions and Answers
Home
Topic
General Knowledge
General Science
Zener Diode
Question 1.
Which of the following controls the current in a Zener diode?
External circuits
Reverse bias voltage
Potential barrier
Zener diode resistance
Explanation:-
Answer: Option A. ->
External circuits
Question 2.
A Zener diode when biased correctly
Never overheats
Has a constant voltage across it
Acts as a fixed resistance
Has a constant current passing through it
Explanation:-
Answer: Option B. ->
Has a constant voltage across it
Question 3.
In Zener diode, the breakdown is due to Zener, has a doping
High
Moderate
Lowest
Low
Explanation:-
Answer: Option A. ->
High
Question 4.
In a Zener diode
Negative resistance characteristic exists
Forward voltage rating is high
Sharp breakdown occurs at a low reverse voltage
All of the above
Explanation:-
Answer: Option C. ->
Sharp breakdown occurs at a low reverse voltage
Question 5.
Which one of the following breakdowns occurs in the thin region?
Avalanche
Zener
Both a and b
None of the above
Explanation:-
Answer: Option B. ->
Zener
Question 6.
In which direction does the Zener diode operate?
Forward bias
Reverse bias
Both a and b
None of the above
Explanation:-
Answer: Option C. ->
Both a and b
Question 7.
Which one of the following is a type of reverse breakdown in the Zener diode?
Avalanche
Zener
Both a and b
None of the above
Explanation:-
Answer: Option C. ->
Both a and b
Question 8.
In a Zener diode with a high breakdown voltage has
Lightly doped P and N
P or N is lightly doped
Heavily doped P and N
None of these
Explanation:-
Answer: Option A. ->
Lightly doped P and N
Question 9.
In which breakdown the breakdown voltage increase with an increase in temperature?
Zener
PN junction
Avalanche
None of the above
Explanation:-
Answer: Option C. ->
Avalanche
Question 10.
What are the disadvantages of the Zener diode?
Fewer parts
Simpler construction
Low current
All of the above
Explanation:-
Answer: Option D. ->
All of the above
1
2
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