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55. The resistance of a uniform straight metallicconductor does NOT depend on(a) Length(b) Area of cross section(c) Shape of the cross section(d) Nature of its material

Answer»

shape of cross section

r=p l/a p=nature of the material l= length a= area of cross sectionResistance is directly proportional to the length of the material and the nature of the material but inversely proportional to the area of cross section.Resistance does not depend on the shape of cross section.These concepts are verified through the above equation.



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