In a p-n junction, which type of charge carriers are majority carriers in the p-

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Question: In a p-n junction, which type of charge carriers are majority carriers in the p-type region? (2019)

Options:

Correct Answer: Holes

Exam Year: 2019

Solution:

In the p-type region of a p-n junction, holes are the majority charge carriers.

In a p-n junction, which type of charge carriers are majority carriers in the p-type region? (2019)

In a p-n junction, which type of charge carriers are majority carriers in the p-type region? (2019)

Step 1: Understand what a p-n junction is. It is a semiconductor device made of two types of materials: p-type and n-type.
Step 2: Know that p-type material is created by adding certain impurities (dopants) to a semiconductor, which creates 'holes' (positive charge carriers).
Step 3: Recognize that in the p-type region, the majority of charge carriers are holes, which are the absence of electrons.
Step 4: Conclude that since holes are the most abundant charge carriers in the p-type region, they are referred to as the majority carriers.

Charge Carriers in p-n Junctions – In a p-n junction, the p-type region is characterized by an abundance of holes, which are the majority charge carriers, while electrons are the minority carriers.