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What is the band gap energy of silicon at room temperature?

Practice Questions

Q1
What is the band gap energy of silicon at room temperature?
  1. 0.1 eV
  2. 1.1 eV
  3. 2.0 eV
  4. 3.5 eV

Questions & Step-by-Step Solutions

What is the band gap energy of silicon at room temperature?
Correct Answer: 1.1 eV
  • Step 1: Understand what band gap energy means. It is the energy difference between the valence band and the conduction band in a material.
  • Step 2: Know that silicon is a semiconductor material.
  • Step 3: Learn that at room temperature (about 25 degrees Celsius), silicon has a specific band gap energy.
  • Step 4: Find the value of the band gap energy for silicon, which is approximately 1.1 electron volts (eV).
  • Step 5: Conclude that the band gap energy of silicon at room temperature is 1.1 eV.
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