Semiconductor Electronics Materials Devices and Simple Circuits - Result Question 58
«««< HEAD:content/english/neet-pyq-chapterwise/physics/semiconductor-electronics-materials-devices-and-simple-circuits/semiconductor-electronics-materials-devices-and-simple-circuits-result-question-58.md
59. At absolute zero, $Si$ acts as
======= ####59. At absolute zero, $Si$ acts as
3e0f7ab6f6a50373c3f2dbda6ca2533482a77bed:content/english/neet-pyq-chapterwise/physics/semiconductor-electronics-materials-devices-and-simple-circuits/semiconductor-electronics-materials-devices-and-simple-circuits—result-question-58.md (a) non-metal
(b) metal
(c) insulator
(d) none of these
[1988]
Topic 2: Junction Transistor
Show Answer
Answer:
Correct Answer: 59. (c)
Solution:
- (c) Semiconductors are insulators at room temperature.
At absolute zero temperature (OK) conduction band of semiconductor is completely empty i.e., $\sigma=0$. So semiconductor behaves as an insulator.