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Question
Assertion
The resistivity of a semi-conductor increases with temperature.
Reason
The atoms of semi-conductor vibrate with larger amplitude at higher temperatures thereby increasing its resistivity.
A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
C
Assertion is correct but Reason is incorrect
D
Both Assertion and Reason are incorrect
Medium
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Solution
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Correct option is D)
The resistivity of semiconductor decreases with increase in temperature as more electrons jump into conduction band increasing its conductivity.
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