Suppose you need 7.0m of Grade 70 tow chain, which has a diameter of /38" and weighs 2.16/kgm, to tow a car. How would you calcu
1 answer:
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Answer:
R = 0.14 Ω
Explanation:
The resistance of a metal is given by the relation
R =
where ρ the resistivity is 5.6 10-8 Ω m, they also give the length and the cross section (area)
Let's reduce the magnitudes to the SI system
L = 200cm (1m / 100cm) = 2.00m
A = 8.0 10⁻⁷ m²
let's calculate
R = 5.6 10⁻⁸
R = 1.4 10⁻¹ Ω
R = 0.14 Ω