171. The drift of a hole in a semiconductor is brought by –
(a)The vacancy being filled by a free electron (b)The vacancy being filled by an ion (c)The vacancy being filled by a valence electron from a neighbouring atom (d)The movement of an atom in the solid
Answer
Answer : (c)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Semiconductor Materials » Exercise - 144. At room temperature in intrinsic germanium, there is about : (a) One free electron for every 109atoms (b) One free electron for every 1010 atoms (c) One free electron for every 1012 atoms (d) One free electron for every 1015 atoms
Semiconductor Materials » Exercise - 288. A semiconductor has ........ band. (a) almost empty valence (b) almost empty conduction (c) almost full conduction (d) none of the above
Semiconductor Materials » Exercise - 286. A semiconductor has ........ band. (a) almost empty valence (b) almost empty conduction (c) almost full conduction (d) none of the above