How is the junction barrier between n-type and p-type silicon much like a one-way valve?
A) The electrons can only be lost from the p-type silicon wafer.
B) The orientation of the charge around the barrier allows the electrons to flow in only one direction.
C) The electrons can only be lost from the n-type silicon wafer.
D) Only one side of the barrier is exposed to light, which causes the electrons to flow in the opposite direction.
Question 2
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