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• hambatan
ρ = 10^-6 Ωm
L = 20 m
A = ¼ mm² = ¼×10^-6 m²
R = __?
hambatan penghantar
R = ρ L / A
R = (10^-6 Ωm) (20 m) / (¼×10^-6 m²)
R = 20 • 4
R = 80 Ω ← jwb
Ok ?