A wire of resistivity 'p'is pulled to double its length. What will be its new resistivity?
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New resistance becomes 4 times the original one. But, resistivity remains the same as it is the property of the substance and does not change with length or area.
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New resistance becomes 4 times the original one. But, resistivity remains the same as it is the property of the substance and does not change with length or area
Resistivity depends on the material used not on the shape, size of the body so resistivity is remained same
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