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Verified answer
LISTRIK DINAMIS• hambatan listrik
ρ₁ = ρ₂ = ρ
A₁ = A₂ = A
L₁ = 3 L₂
R₁ = 15 ohm
R₂ = ___?
Hambatan penghantar
R = ρ L / A
Perbandingan
R₂ / R₁ = (ρ L₂ / A) / (ρ L₁ / A)
R₂ / R₁ = L₂ / L₁
R₂ = R₁ • L₂ / L₁
R₂ = 15 • L₂ / (3 L₂)
R₂ = 15 • ⅓
R₂ = = 5 ohm ✔️
hambatan kawat kedua 5 ohm.