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BITSAT 2022 Paper
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Section:
Physics
Share question:
© examsnet.com
Question : 9
Total: 130
For an insulator, the forbidden energy gap is
Zero
1
‌
eV
2
‌
eV
5
‌
eV
Validate
Solution:
👈: Video Solution
For an insulator,
E
g
>
3
e
V
, that is why electron transition from valence band to conduction band is not possible. For semiconductor
E
g
is
0.2
e
V
to
0.3
e
V
, while for metals
E
g
>
5
e
V
.
© examsnet.com
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