Question 3
Electrical resistivity of a given metallic wire depends upon

(a) its length
(b) its thickness
(c) its shape
(d) nature of the material

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Solution

(d) nature of the material

The electrical resistivity of a particular material is constant. It does not depend on the length or the area but it depends on the nature of the material.

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Question 3 Electrical resistivity of a given metallic wire depends upon (a) its length (b) its thickness (c) its shape (d) nature of the material

(d) nature of the material The electrical resistivity of a particular material is constant. It does not depend on the length or the area but it depends on the nature of the material.

Question 3
Electrical resistivity of a given metallic wire depends upon

(a) its length
(b) its thickness
(c) its shape
(d) nature of the material

(d) nature of the material

The electrical resistivity of a particular material is constant. It does not depend on the length or the area but it depends on the nature of the material.