Litar RL bersiri disambungkan kepada bekalan 24 V (rms), 60 Hz. Cari arus rms I.
Lembaran kerja Impedans AU & fasor dengan jawapan
1.Mudah
V = 24 V (rms)f = 60 HzR = 20 ΩL = 50 mH
I = A
2.Mudah
Litar RL bersiri disambungkan kepada bekalan 24 V (rms), 50 Hz. Cari magnitud impedans |Z|.
V = 24 V (rms)f = 50 HzR = 100 ΩL = 250 mH
|Z| = Ω
3.Sederhana
Litar RLC bersiri disambungkan kepada bekalan 24 V (rms), 1000 Hz. Cari arus rms I.
V = 24 V (rms)f = 1000 HzR = 80 ΩL = 20 mHC = 1 µF
I = A
4.Sederhana
Litar RLC bersiri disambungkan kepada bekalan 120 V (rms), 500 Hz. Cari faktor kuasa cos φ litar itu.
V = 120 V (rms)f = 500 HzR = 40 ΩL = 20 mHC = 2.2 µF
cos φ =
5.Sukar
Litar RLC siri mempunyai R = 2 Ω, L = 20 mH dan C = 1 µF. Cari faktor kualitinya Q pada resonans.
R = 2 ΩL = 20 mHC = 1 µF
Q =
6.Sukar
Litar RLC bersiri disambungkan kepada bekalan 10 V (rms), 500 Hz. Cari voltan rms VC merentasi kapasitor.
V = 10 V (rms)f = 500 HzR = 100 ΩL = 50 mHC = 100 µF
VC = V
Kunci jawapan
- 1. I = 0.8733 A
- 2. |Z| = 127.2 Ω
- 3. I = 0.2767 A
- 4. cos φ = 0.4391
- 5. Q = 70.71
- 6. VC = 0.1734 V
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