Two wires of same material have lengths L and 2L and cross-sectional area 4A and A respectively. The ratio of their specific resistance's would be

1:1

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1:8

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8:1

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1:2

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Solution

The correct option is A 1:1
The specific resistance depends on the nature of material and the temperature of material and it is independent of dimensions of the material.

Hence the two given materials has same specific resistance as they are made of same material.

Ratio= $1 : 1$

Answer-(A)

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Two wires of same material have lengths L and 2L and cross-sectional area 4A and A respectively. The ratio of their specific resistance's would be

The correct option is A 1:1The specific resistance depends on the nature of material and the temperature of material and it is independent of dimensions of the material.Hence the two given materials has same specific resistance as they are made of same material.Ratio=1:1Answer-(A)

The correct option is A 1:1
The specific resistance depends on the nature of material and the temperature of material and it is independent of dimensions of the material.

Hence the two given materials has same specific resistance as they are made of same material.

Ratio= $1 : 1$

Answer-(A)