The resistance of a conductor is inversely proportional to its :

Area of cross-section

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Length

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Specific resistance

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Density

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Solution

The correct option is A Area of cross-section
Resistance of the conductor $R = ρ \frac{L}{A}$ $⟹ R \propto \frac{L}{A}$
$⟹$ Resistance of the conductor is proportional to the length of wire and inversely proportional to the area of cross-section.

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The resistance of a conductor is inversely proportional to its :

The correct option is A Area of cross-sectionResistance of the conductor R=ρLA ⟹R∝LA⟹ Resistance of the conductor is proportional to the length of wire and inversely proportional to the area of cross-section.

The correct option is A Area of cross-section
Resistance of the conductor $R = ρ \frac{L}{A}$ $⟹ R \propto \frac{L}{A}$
$⟹$ Resistance of the conductor is proportional to the length of wire and inversely proportional to the area of cross-section.