Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Semiconductors and Electronic Devices

Question:
In a pure semiconductor, which of the following is true?
Options:
Electron and hole concentrations are very low.
electrons and holes are generated via fusion.
the electron concentration is far larger than holes
At lower temperatures, the covalent bonds break faster.
Correct Answer:
Electron and hole concentrations are very low.
Explanation:
In a pure semiconductor electron and hole concentrations are very low because they can only be generated thermally.