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JEE PHYSICS MCQ: THERMAL PROPERTIES OF MATTER

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Understanding +4 | -1
Assertion(A): Good conductors of electricity are also good conductors of heat.

Reason(R): In good conductors of electricity, there are large numbers of free electrons.
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Correct option: A
If both Assertion and Reason are correct and Reason is the correct explanation of Assertion.
Option A (If both Assertion and Reason are correct and Reason is the correct explanation of Assertion) is correct because free electrons are responsible for both electrical and thermal conductivity in good conductors.

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