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Electrical resistivity of a given metallic wire depends upon

(a) its length

(b) its thickness

(c) its shape

(d) nature of the material

 

Answer

(d) Nature of the material

Electrical resistivity of any substance depends upon the nature of the material.

Silver has low electrical resistivity while plastic has very high electrical resistivity.

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Maninder Singh

CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo