chose the correct answer in each of the following Q': chose the correct answer in each of the following1.One that is based on forward biased PN junction isA LEDB photo diodeC photo voltaic cellD both a and b2. When semiconductor is doped half with trivalent and half with pentavalentimpurities, junction formed is known asA potential barrierB barrier junctionC PN junctionD None of the above3.The depletion layer of a PN junction diode hasA Only free mobile holesB Only free mobile electronsC Both free mobile holes as well as electronsD Neither free mobile electrons nor holes

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One that is based on forward biased PN junction is A LED B photo diode C photo voltaic cell D both a and b

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter29: Solid-state Electronics

Section29.1: Conduction In Solids

Problem 24SSC

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