Uji Kompetensi Bab 7, no.3

V₂=V₁

A₂L₂=A₁L₁

A₂(1,5L₁)=A₁L_{1   ↔}  A2 =  ^A1/_1,5

R₁=ρ L₁/A₁        R₂= ρ L₂/A₂

R₂ : R₁ 

= ρ L₂/A₂ : ρ L₁/A₁

= ^{1,5 L1}/_A1/1,5    x   ^A1/_L1

= 1,5 x 1,5

= 2,25

 

Jadi, R2 = 2,25 x 40 =  90 Ω  (Jawaban d)

By: Andrea Marsha / XJ - 05