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Factors Affecting Resistance and How They Affect

The resistanc...

Question

The resistance of a wire does not depend on the area of cross section of the wire.

A

Length of conductor

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B

Area of cross-section

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Solution

The correct option is B
Area of cross-section

We know that,
R = ρ $\frac{L}{A}$
Hence resistance of a wire is inversely proportional to the area of cross section of wire.

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