Electric and Electronic Circuit Components » Exercise – 1
4. A piece of copper and another of germanium are cooled from room temperature to 80 k. The resistance of :
(a) Each of them increases
(b) Each of them decreases
(c) Copper increases and germanium decreases
(d) Copper decreases and germanium increasesSubject 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 - 4164. A piece of copper and another of germanium are cooled from room temperature to 80 K. The resistance of : (a) Each of them increases (b) Each of them decreases (c) Copper increases and germanium decreases (d) Copper increases and germanium increase- Transistors » Exercise - 2 86. The base-emitter resistance ........ (a) decreases (b) increases (c) remains the same (d) none of the above
- Electric and Electronic Circuit Components » Exercise - 110. Smaller resistors usually have ............. resistance value. (a) small (b) high (c) low (d) very small </p>
- Electric and Electronic Circuit Components » Exercise - 18. Example of high resistivity material is : (a) Nichrome (b) Silver (c) Gold (d) Copper
- Electric and Electronic Circuit Components » Exercise - 16. The material with lowest resistivity is : (a) constantan (b) silver (c) manganin (d) nichrome