Use app×
Join Bloom Tuition
One on One Online Tuition
JEE MAIN 2025 Foundation Course
NEET 2025 Foundation Course
CLASS 12 FOUNDATION COURSE
CLASS 10 FOUNDATION COURSE
CLASS 9 FOUNDATION COURSE
CLASS 8 FOUNDATION COURSE
0 votes
1.7k views
in Electronic devices by (40.5k points)
recategorized by

Carbon, silicon and germanium have four valence electrons each. At room temperature, which one of the following statements is most appropriate?

(a) The number of free conduction electrons is significant in C but small in Si and Ge

(b) The number of free conduction electrons is negligibly small in all the three

(c) The number of free electrons for conduction is significant in all the three

(d) The number of free electrons for conduction is significant only in Si and Ge but small is C

1 Answer

+1 vote
by (30.7k points)
selected by
 
Best answer

Correct Option (d) The number of free electrons for conduction is significant only in Si and Ge but small is C

Explanation:

The number of free electrons for conduction is significant only in Si and Ge but small in C, as C is an impurity.

Welcome to Sarthaks eConnect: A unique platform where students can interact with teachers/experts/students to get solutions to their queries. Students (upto class 10+2) preparing for All Government Exams, CBSE Board Exam, ICSE Board Exam, State Board Exam, JEE (Mains+Advance) and NEET can ask questions from any subject and get quick answers by subject teachers/ experts/mentors/students.

...