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In semiconductor physics, what is a 'hole'?

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Question: In semiconductor physics, what is a \'hole\'?

Options:

  1. A negatively charged particle
  2. A positively charged absence of an electron
  3. A type of impurity
  4. A defect in the crystal structure

Correct Answer: A positively charged absence of an electron

Solution: 

A hole is a positively charged absence of an electron in a semiconductor material.

In semiconductor physics, what is a 'hole'?

Practice Questions

Q1
In semiconductor physics, what is a 'hole'?
  1. A negatively charged particle
  2. A positively charged absence of an electron
  3. A type of impurity
  4. A defect in the crystal structure

Questions & Step-by-Step Solutions

In semiconductor physics, what is a 'hole'?
  • Step 1: Understand that semiconductors are materials that can conduct electricity under certain conditions.
  • Step 2: Know that in a semiconductor, electrons can move and carry electric charge.
  • Step 3: Realize that when an electron moves away from its position, it leaves behind an empty space.
  • Step 4: This empty space where the electron used to be is called a 'hole'.
  • Step 5: A hole behaves like a positive charge because it represents the absence of a negatively charged electron.
  • Hole in Semiconductor Physics – A hole represents a missing electron in the valence band of a semiconductor, acting as a positive charge carrier.
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