Practicing Success

Target Exam

CUET

Subject

Physics

Chapter

Semiconductors and Electronic Devices

Question:
By adding a pentavalent impurity to a semiconductor sample, which of the following increases?
Options:
holes and resistivity
holes and conductivity
electrons and resistivity
electrons and conductivity
Correct Answer:
electrons and conductivity
Explanation:
Each pentavalent impurity adds an electron to the sample that helps in increasing the conductivity of the sample.