Question

A pure Silicon crystal has 700,000 free electrons (actual number of electrons; not the concentration). How many holes does it have

Answer 1

700,000 holes

Step-by-step explanation:

When heat energy occurs to produce free electrons, the number of free electrons produced is directly proportional and equal to the number of holes it produces at that time.

Hence, if silicon crystal (pure) has 700,000 free electrons, then the number of holes it have is also 700,000.