161. If a small amount of phosphorus is added to silicon :
(a)The conductivity decreases (b)The silicon will be a p-type semiconductor (c)The phosphorus becomes an acceptor impurity (d)There will be more free electrons than holes in the semiconductor
Answer
Answer : (d)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Semiconductor Materials » Exercise - 3133. In a semiconductor, current conduction is due ........ (a) only to holes (b) only to free electrons (c) to holes and free electrons (d) none of the above
Semiconductor Materials » Exercise - 4166. The majority carriers of electricity in a N-type semiconductor are : (a) Free electrons (b) Holes (c) Both electrons and holes (d) Free ions
Semiconductor Materials » Exercise - 4173. When the conductivity of semiconductor is only due to the breaking of the covalent bands, the semiconductor is - (a) An intrinsic semiconductor (b) A p- type semiconductor (c) A n- type semiconductor (d) an extrinsic semiconductor