Question: 34
(Choose 1 answer)
What is the barrier potential (also known as contact potential) in a P-N junction?
A. The voltage across the junction that prevents the flow of charge carriers when no external voltage is applied.
B. The voltage required to forward bias the junction and allow current to flow.
C. The voltage needed to reverse bias the junction and prevent any current from flowing.
D. The voltage that causes the P-type material to become negatively charged.