Question

Find resistance in this question​

Answer 1

Answer:

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Answer 2

Your answer:

R = $\frac{\rho l}{A}$

ρ = 1.7 x 10⁻⁸

D = 0.5 x 10⁻³, then r will be: 0.25 x 10⁻³

l = 1 Km

A = πr² = 0.19625 x 10⁻⁶

Now, you will get the resistance as:

$\frac{1.7\times10^-^8\times1000}{0.19625\times10^-^6}$ = 86.624 Ω is your answer

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