Assertion :Wire A is thin in comparison to wire B of same material same length then resistance of wire A is greater than resistance of wire B. Reason: Resistivity of wire A is greater than resistance of B wire.

Both Assertion and Reason are correct and Reason is the correct explanation of Assertion.

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Both Assertion and Reason are correct, but Reason is not the correct explanation of 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 C Assertion is correct but Reason is incorrect.
Resistivity is a material property. And Resistance is inversely proportional to the cross section area of the wire. So, thinner the wire, higher the resistance.

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Assertion :Wire A is thin in comparison to wire B of same material same length then resistance of wire A is greater than resistance of wire B. Reason: Resistivity of wire A is greater than resistance of B wire.

The correct option is C Assertion is correct but Reason is incorrect.Resistivity is a material property. And Resistance is inversely proportional to the cross section area of the wire. So, thinner the wire, higher the resistance.

The correct option is C Assertion is correct but Reason is incorrect.
Resistivity is a material property. And Resistance is inversely proportional to the cross section area of the wire. So, thinner the wire, higher the resistance.