What is the main difference between intrinsic and doped semiconductors?

Semiconductors and Diodes Quiz

Quiz
•
English
•
9th Grade
•
Hard
Dr Kiran
Used 1+ times
FREE Resource
36 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Number of holes
Number of free electrons
Presence of impurities
Band gap energy
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a PN junction under forward bias, the depletion region:
Widens
Narrows
Disappears
Remains unchanged
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The ideal diode has which type of I-V characteristic?
Linear
Exponential
Step-like
Quadratic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following models is used for analyzing diode forward characteristics?
Linear model
Exponential model
Parabolic model
Constant current model
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a reverse-biased PN junction diode, the current is primarily due to:
Majority carriers
Minority carriers
Photons
Electrons only
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the function of a rectifier in a diode circuit?
Amplifies signals
Converts DC to AC
Converts AC to DC
Stores energy
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What effect does temperature have on a semiconductor diode's operation?
Increases band gap
Reduces mobility of charge carriers
Increases reverse saturation current
None of the above
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