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BITSAT 2023 Shift 1 Solved Question Paper
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© examsnet.com
Question : 2
Total: 130
The effect of increase in temperature on the number of electrons in conduction band
(
n
e
)
and resistance of a semiconductor will be as:
Both
n
e
and resistance decrease
Both
n
e
and resistance increase
n
e
increases, resistance decreases
n
e
decreases, resistance increases
Validate
Solution:
👈: Video Solution
When temperature increases, more electrons excite to conduction band and hence conductivity increases, therefore resistance decreases.
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