(a)Contributes to the flow of electric current (b)Does not contributes to the flow of electric current (c)Can move but doesn’t contribute to the flow of electric current (d)None of these
Answer
Answer : (b)
Explanation
Explanation : No answer description available for this question. Let us discuss.
Semiconductor Materials » Exercise - 112. An electron in a completely filled band : (a) contributes to the flow of electric current (b) does not contributes to the flow of electric current (c) can move but doesn’t contribute to the flow of electric current (d) none of these
Atoms and Electrons » Exercise - 287. An electron is termed free electron, if found in - (a) Conduction band (b) Forbidden gap (c) Valence band (d) Either in valence band or conduction band