Assertion :Good conductors of electricity are also conductors of heat due to large number of free electrons. Reason: It is easy to conduct heat from free electrons

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Assertion is incorrect but Reason is correct

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Free electrons are the source for good conduction of electricity, and free particles are the main source for the conduction of heat, electrons being particles allow a material with lots of free electron to conduct both heat and electricity and hence the results are observed.
Hence statement and reason are both true and reason is a correct explanation for the statement.

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