A negligible small current is passed through a wire of length of 10 m and uniform cross- section 3.0 x 10-7 m², and its resistance is measured to be 8 2. What is the resistivity of the material?
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Answered by
1
Answer:
let's resistivity coefficient be p
R= p 1/A
p= RA/1
p= 2×10 -7 m
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