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Verified answer
Listrik Dinamis> Hambatan Kawat
R₁ = 20 Ω
A₁ = A
A₂ = ½ A
R₂ = _ ?
R₂ / R₁ = A₁ / A₂
R₂ / 20 = A / ½ A
R₂ / 20 = 2
R₂ = 40 Ω