4. A zener diode is sometimes called a voltage-regulator diode because it maintains a constant output voltage even though the current through it changes. A True B. False 5. A diode is a linear device because the graph of its current versus voltage is a straight line A. True B. False

4. A zener diode is sometimes called a voltage-regulator diode because it maintains a constant output voltage even though the current through it changes. A True B. False 5. A diode is a linear device because the graph of its current versus voltage is a straight line A. True B. False

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter9: Condensed Matter Physics

Section: Chapter Questions

Problem 75P: A p-n diode has a reverse saturation current 1.44108A . It is forward biased so that it has a...

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Question

choose True or False for the following

4. A zener diode is sometimes called a voltage-regulator diode because it maintains a
constant output voltage even though the current through it changes.
A True
B. False
5. A diode is a linear device because the graph of its current versus voltage is a straight
line
A. True
B. False

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1. What happens to the thickness of the depletion region in a PN junction when an external voltage is applied to a forward bias diode? 2. When “P” and “N” type semiconductor pieces are brought into close contact, free electrons from the “N” piece will rush over to fill holes in the “P” piece, creating a zone on both sides of the contact region devoid of charge carriers. What is this zone called, and what are its electrical characteristics 3. Is this diode forward-biased or reverse biased? Show soultion please, thanks.