The main reason why electrons can tunnel through a PN junction is that A- Barrier potential is very low B- They have high energy C- Impurity level is low D- Depletion layer is extremely thin The depletion layer of a PN junction diode has A- only free mobile holes B- only free mobile electrons C- both free mobile holes as well as electrons D- neither free mobile electrons nor holes

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
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The main reason why electrons can tunnel through a PN junction is that
A- Barrier potential is very low
B- They have high energy
C- Impurity level is low
D- Depletion layer is extremely thin
The depletion layer of a PN junction diode has
A- only free mobile holes
B- only free mobile electrons
C- both free mobile holes as well as electrons
D- neither free mobile electrons nor holes
Transcribed Image Text:The main reason why electrons can tunnel through a PN junction is that A- Barrier potential is very low B- They have high energy C- Impurity level is low D- Depletion layer is extremely thin The depletion layer of a PN junction diode has A- only free mobile holes B- only free mobile electrons C- both free mobile holes as well as electrons D- neither free mobile electrons nor holes
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