Question

Which material is the resistance for unit length of unit cross-section of the material

Answer 1

Answer:

The resistance offered by a wire of unit length and unit cross-sectional area is called resistivity. For a material irrespective of length and area, the resistivity is a constant. It is also called specific resistance of the material. Metals and alloys have low resistivity while insulators have high resistivity.

Explanation:

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Answer 2

Answer:

The resistance offered by a wire of unit length and unit cross-sectional area is called resistivity. For a material irrespective of length and area, the resistivity is a constant. It is also called specific resistance of the material. Metals and alloys have low resistivity while insulators have high resistivity.