Question
Physics Question on Semiconductor electronics: materials, devices and simple circuits
Application of a forward bias to a p-n junction:
A
increases the number of donors on the n-side
B
increases the electric field in the depletion zone
C
increases the potential difference across the depletion zone
D
widens the depletion zone
Answer
increases the number of donors on the n-side
Explanation
Solution
P-type and n-type batteries are linked to the positive and negative terminals, respectively, in forward bias. As a result, the number of electrons on the n-side grows as carriers are driven towards opposite terminals for conduction.
Therefore, the correct option is (A): increases the number of donors on the n-side