Extrinsic SemiconductorElectricity and Magnetism Level 1
a) Silicon(Si) has \(4\) valence electrons.
b) Phosphorus(P) has \(3\) valence electrons.
c) The above left are N-type semiconductors and the above right are P-type semiconductors.
d) Electrons are the majority charge carriers of the above right semiconductors, and holes are the majority charge carriers of the above left semiconductors.