f=3,4 kHz
R=47 kΩ
L=220 mH
C=15 nF
Xl=ωL=2·π·f·L
ωL=2*π*3400*220e-3
ωL=4700 Ω
Xc=-1/(ωC)=1/(2*π*3400*15e-9)
Xc=-3121Ω
Charakter indukcyjny
Bc=1/Xc
|Bc|=1/3121=0,00032041 ≈320 μS ≈ 0,320 mS
X=Xl+Xc
X=4700-3121=1580 Ω ≈ 1,6 kΩ
Z=√(R²+X²)
Z=√(47000²+1580²)
Z≈47kΩ
Y=1/Z
Y=1/47000
Y=21,3 μS ≈ 0,021 mS
Fałszywe: (C)
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f=3,4 kHz
R=47 kΩ
L=220 mH
C=15 nF
Xl=ωL=2·π·f·L
ωL=2*π*3400*220e-3
ωL=4700 Ω
Xc=-1/(ωC)=1/(2*π*3400*15e-9)
Xc=-3121Ω
Charakter indukcyjny
Bc=1/Xc
|Bc|=1/3121=0,00032041 ≈320 μS ≈ 0,320 mS
X=Xl+Xc
X=4700-3121=1580 Ω ≈ 1,6 kΩ
Z=√(R²+X²)
Z=√(47000²+1580²)
Z≈47kΩ
Y=1/Z
Y=1/47000
Y=21,3 μS ≈ 0,021 mS
Fałszywe: (C)