When a p-n junction is forward biased, a) potential barrier decreases b) potential barrier increases c) majority-carrier current reduces to zero d) minority-carrier current reduces to zero
When a p-n junction is forward biased, a) potential barrier decreases b) potential barrier increases c) majority-carrier current reduces to zero d) minority-carrier current reduces to zero
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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When a p-n junction is forward biased,
a) potential barrier decreases
b) potential barrier increases
c) majority-carrier current reduces to zero
d) minority-carrier current reduces to zero
Expert Solution

Step 1
There exists a barrier potential across a p-n junction. In forward biasing, the p-junction is connected to the positive terminal of the voltage source and the n-junction is connected to the negative terminal of the voltage source. The bias voltage will repel the majority current carriers of each p and n type material so that large number of holes and electrons starts appearing at the junction.
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