117. Semiconductors in pure form are poor conductors because :
(a)They have no valence electrons (b)All valence electrons are in electron pairs (c)They have a large number of holes (d)They have fewer electrons than protons
Answer
Answer : (b)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Semiconductor Materials » Exercise - 3119. In a pure semiconductor, electric current is due to : (a) Holes (b) Electrons (c) Both holes and electrons (d) Valence electrons
Semiconductor Materials » Exercise - 4152. An intrinsic semiconductor at the absolute zero of temperature : (a) Behaves like a semiconductor (b) Behaves like an insulator (c) Has a few free electrons and same number of holes (d) Has a large number of holes and a few electrons