Question Detail

PHY 102 Last Minute Prep Objective Question

Question

The difference between an insulator and a semiconductor is
Options
A wider forbidden gap
Correct Answer
B the number of free electrons
C the atomic structure
D all of the above
Correct Answer

Option A is the correct answer.

Detailed Explanation

The main difference is the width of the forbidden energy gap. Insulators have a wider band gap than semiconductors.

Hint

What is the key difference in the band structure of insulators and semiconductors?

Question Info