Home Physics Semiconductor Electronics Telangana & AP CET Previous Year Question If the temperature of the semi-conductor is …
Physics Semiconductor Electronics Telangana & AP CET Previous Year Question MCQ (Single Correct)

If the temperature of the semi-conductor is increased, which of the following is correct statement?

A
It's resistance increases.
B
The number of electrons in valence band increases.
C
The number of electrons in conduction band increases.
D
The number of holes in valence band decreases.

Share this question

WhatsApp

For Instagram sharing, use “Apps” on mobile or copy the link.

Text Solution

Verified by Experts
The correct answer is:
C

With increase of temperature, its (semiconductors) covalent bonds start breaking and its resistivity starts decreasing. So, conductivity increases and hence, number of electrons in conduction band increases.

Prepare Smarter with CGP Edu

Get practice questions, solutions, and test series in one place.

Write a Review

Share your experience with this question and solution.

Commentary

Send your comment, doubt, correction, or feedback to admin.

Student Reviews

What students say about this solution

No reviews yet. Be the first to write a review.

Similar Questions

Explore conceptually related problems

The photo current in a photo diode depends on
A reverse biased Zener diode when operated in the breakdown region works as
The hole and the free electron concentrations in a pure silicon at room temperature are given by e…
The device that can detect optical signals is
When the temperature of a semiconductor increases then
The material used in the fabrication of infrared LED's is
CG
CGP Question Assistant Question Bank + AI Help
Hi! Type your question or upload one screenshot. First I will search related questions from CGP Edu Question Bank. If none match, type YES and I will solve it with AI.
Upload only one screenshot at a time. Flow: Question Bank first → If not matched, type YES for AI solution.