Question
Physics Question on Semiconductor electronics: materials, devices and simple circuits
In junction diode, the holes are because of
A
missing electrons
B
extra electrons
C
protons
D
neutrons
Answer
missing electrons
Explanation
Solution
In a semiconductor, when an electron vacates its position, it leaves behind a positive charge known as a hole. Thus, holes are created due to the absence of electrons.
So, the correct option is (A) : missing electrons.