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Tegangan dan Arus Bolak - Balik- Rangkaian R - L - C
R = 600 Ω
L = 1 H
C = 5 μC = 5 × 10⁻⁶ C
V = (100 sin 1000t) Volt
Vₘₐₖₛ = 100 V , ω = 1000 rad/s
P dis. = __ ?
Kita Cari XL :
XL = ωL
XL = 1000 × 1
XL = 1000 Ω
Kita Cari XC :
XC = 1/ωC
XC = 1 / (1000 × 5 × 10⁻⁶)
XC = 200 Ω
Kita Cari Impedansi (Z) :
Z = 1000 Ω
Kita Cari Iₘₐₖₛ :
Iₘₐₖₛ = Vₘₐₖₛ / Z
Iₘₐₖₛ = 100 / 1000
Iₘₐₖₛ = 0,1 A
Kita Cari Arus efektif (Iₑ) :
Iₑ = Iₘₐₖₛ / √2
Iₑ = 0,1 / √2
Iₑ = 0,05√2 A
Maka , P. dis :
P. dis = Iₑ²R
P. dis = (0,05√2)² × 600
P. dis = 3 Watt