engineering recuitment BARC Stipendiary Trainee Category II 2023 Mock Test Electronic Devices Carriers in Semiconductors Energy Band Gap
Metals have ______ energy gap. semiconductors have ______ energy gap and insulators have a ______ energy gap.
a. non-existent
b. zero
c. large
d. small
1
a, d, c
2
c, b, a
3
b, c, a
4
a, b, c