Notifications
Clear all
0
04/10/2020 12:07 pm
Topic starter
Assertion: Electrical conductivity of copper increases with increase in temperature.
Reason: The electrical conductivity of metals is due to motion of electrons.
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
(c) If the Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.
(e) If the Assertion is incorrect but the Reason is correct.
1 Answer
0
04/10/2020 12:08 pm
(e) If the Assertion is incorrect but the Reason is correct.
Explanation:
Electrical conductivity of every metal decreases with increase in temperature due to increase in molecular motion which increases resistance.