Physics, 25.07.2019 22:10, milkshakegrande101

Which of the following is true of semiconductors?
a. exposing a crystal of a semiconductor to heat or light starts displacing valence electrons, which then move throughout the crystal.
b. a material is classified as a semiconductor if its resistance to the flow of electric current is too low to permit it to be called a conductor.
c. neither free electrons nor holes are considered charge carriers in a semiconductor.
d. gold and silver are important semiconductors

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Which of the following is true of semiconductors?
a. exposing a crystal of a semiconductor t...