True or false: intrinsic semiconductors

Exercise and reference answers

Questions

1. Statement is true

   Yes

   Statement

   Pure semiconductors are called intrinsic semiconductors.

2. Statement is true

   Yes

   Statement

   Their charge carriers are electrons and holes.

3. Statement is true

   Yes

   Statement

   Those carriers arise from thermal excitation.

4. Statement is true

   No

   Statement

   A pure semiconductor has no charge carriers at all.

5. Statement is true

   Yes

   Statement

   The presence of these carriers is an intrinsic property.

Explanation