10 Questions
What is the pure form of a semiconductor known as?
Intrinsic semiconductor
How is an n-type semiconductor produced?
By adding Phosphorus (P) or Arsenic (As) to the intrinsic semiconductor
What are ionized phosphorus atoms in a semiconductor called?
Donor atoms
How is a p-type semiconductor produced?
By adding Boron (B) or Aluminum (Al) to the intrinsic semiconductor
What type of impurities are intentionally added in an extrinsic semiconductor?
Impurities from the fifth group of the periodic table
What is the role of a Group 3 impurity in a P-N junction?
Creating a layer of negative charges in the p-side of the junction
What happens when an electron diffuses from the n-side to the p-side of a P-N junction?
An ionized donor is left behind on the n-side
What gives rise to a diffusion current across the junction in a P-N junction?
The concentration difference of holes and electrons at the two sides
What term is used for the region of positive charge and negative charge on either side of the junction in a P-N junction?
Depletion region
What is responsible for developing an electric field in a P-N junction?
Layer of positive charge on either side of the junction
Test your knowledge of intrinsic and extrinsic semiconductors with this quiz. Learn about the differences between pure and intentionally impure semiconductors.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
