Answers

2016-08-22T03:58:41+05:30
D) nature of the material....   
resistivity is property of the material.


R  Resistance depends on all the four factors ..

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2016-08-23T22:01:34+05:30
resistivity of a given metallic wire depends upon
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(d) nature of the material

different metals will have different melting , boiling etc and they will have different property as compared to each other

which affects the resistivity of a material
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