Which of the following is used to create a p-n junction? (2020)

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Question: Which of the following is used to create a p-n junction? (2020)

Options:

Correct Answer: Doping

Exam Year: 2020

Solution:

Doping is the process used to create a p-n junction by adding impurities to a semiconductor.

Which of the following is used to create a p-n junction? (2020)

Which of the following is used to create a p-n junction? (2020)

Step 1: Understand what a p-n junction is. It is a boundary between two types of semiconductor materials: p-type and n-type.
Step 2: Know that p-type semiconductors are created by adding certain impurities (called dopants) that have fewer electrons than the semiconductor material.
Step 3: Understand that n-type semiconductors are created by adding different impurities that have more electrons than the semiconductor material.
Step 4: Learn that the process of adding these impurities to create p-type and n-type semiconductors is called doping.
Step 5: Realize that when you combine p-type and n-type materials, you form a p-n junction.

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