Semiconductor Materials » Exercise – 3
105. Consider the statements :
Statement I : Fermi level is slightly lowered by adding the donor impurity.
Statement II : Fermi level is the maximum energy that any electron can have at room temperature.
Which of the following is correct ?
(a) Statement I
(b) Statement II
(c) Both statements I & II
(d) Either statement I or IISubject Name : Electronics Engineering Exam Name : IIT GATE, UPSC ESE, RRB, SSC, DMRC, NMRC, BSNL, DRDO, ISRO, BARC, NIELIT Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant Electronics & Communication Engineering Books
GATE 2023 Total Info ENGG DIPLOMA UGC NET Total Info IES 2023 Total Info PSUs 2022 Total Info CSIR UGC NET Total Info JAM 2023 Total Info M TECH 2023 Total Info RAILWAY 2022 Total Info
Related Posts
Semiconductor Materials » Exercise - 257. Consider the statements. Statement I : The temperature coefficient of resistance of a semiconductor is negative while that of a metal is positive. Statement II : A semiconductor behaves as an insulator at 0°K while it has some conductivity at room temperature. Which of the following is/are correct ? (a) Statement I (b) Statement II (c) Both statements I & II (d) Either statement I or II- Semiconductor Materials » Exercise - 277. In P-type semiconductor : (a) n=p (b) p (c) n (d) p>>n
- Semiconductor Materials » Exercise - 3122. In an intrinsic semiconductor, Fermi level represents the energy level with probability of its occupation of : (a) 0 per cent (b) 25 per cent (c) 50 per cent (d) 75 per cent
- Semiconductor Materials » Exercise - 124. When a semiconductor is heavily doped in a range of 1017 to 1018 impurity atoms/cm3, then it behaves as : (a) Intrinsic semiconductor (b) Extrinsic semiconductor (c) Simply as semiconductor (d) Degenerative semiconductor
- Semiconductor Materials » Exercise - 3126. A pentavalent impurity has ........ valence electrons. (a) 3 (b) 5 (c) 4 (d) 6