Question Detail

PHY 102 Last Minute Prep Objective Question
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Question

In the crystal silicon is doped with phosphorus, the valence band of phosphorus is
Options
A above the conduction band of silicon
B below the valence band of silicon
C closer to the conduction band of silicon than its valence band
Correct Answer
D closer to the valence band of silicon than its conduction band
Correct Answer

Option C is the correct answer.

Detailed Explanation

Phosphorus is a donor impurity. Its donor level is located close to the conduction band of silicon.

Hint

Where is the donor level in an n-type semiconductor?

Question Info

Course: PHY 102
Topic: Last Minute Prep
Type: Objective
Difficulty: Not specified
Question 1803 of 1819
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