Question a material is formed into a long rod with a square, Ask an Expert

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Question; A material is formed into a long rod with a square cross-section 0.50 cm on each side. When a 32V voltage is applied across a 20-m length of the rod, a 4.0A current is carried.

Question 1: What is the resistivity of the material?

I need help to determine the resistivity of the material.

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Category:- Physics
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