Matematika

Pertanyaan

tolong kerjakan pakai cara. makasih
tolong kerjakan pakai cara. makasih

2 Jawaban

  • 1/Rp = 1/R2 + 1/R3
    1/Rp = 1/8 + 1/8
    1/Rp = 2/8
    Rp = 8/2 = 4 ohm

    R total = R1 + Rp = 6 + 4 = 10 ohm

    Jadi, tegangan listrik (V) =
    V = I.R
    V = 3,6 × 10 = 36 volt (C)
  • R1=6Ω
    R2=8Ω
    R3=8Ω
    I=3,6A
    V=?
    R2 dan R3 paralel
    Rp=>[tex] \frac{1}{Rp} = \frac{1}{R2} + \frac{1}{R3} [/tex]
    [tex] \frac{1}{Rp} = \frac{1}{8} + \frac{1}{8} [/tex]
    [tex] \frac{1}{Rp}= \frac{1+1}{8} [/tex]
    [tex] \frac{1}{Rp} = \frac{2}{8} [/tex]
    [tex] \frac{Rp}{1} = \frac{8}{2} [/tex]
    Rp=4Ω
    sedangkan R1 sama Rp jadi seri
    Rs=R1+Rp
    Rs=6+4
    Rs=10Ω=Rt

    rumus mencari V
    V=IxR
    V=3,6x10
    V=36v
    dan jawabannya C