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electrical_engineering_1:introduction_in_alternating_current_technology [2024/12/04 14:39] – [6.5.1 Introduction to Complex Impedance] mexleadmin | electrical_engineering_1:introduction_in_alternating_current_technology [2024/12/04 14:43] (aktuell) – [Bearbeiten - Panel] mexleadmin | ||
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<panel type=" | <panel type=" | ||
- | A coil has a impedance of $80\Omega$ at a frequency of $500 ~\rm Hz$. At which frequencies the impedance will have the following values? | + | A coil has a impedance of $80~\Omega$ at a frequency of $500 ~\rm Hz$. At which frequencies the impedance will have the following values? |
- $85 ~\Omega$ | - $85 ~\Omega$ | ||
- $120 ~\Omega$ | - $120 ~\Omega$ | ||
Zeile 650: | Zeile 650: | ||
<panel type=" | <panel type=" | ||
- | A capacitor with $5 ~{\rm µF}$ is connected to a voltage source which generates $U_\sim = 200 ~{\rm V}$. At which frequencies the following | + | A capacitor with $5 ~{\rm µF}$ is connected to a voltage source which generates $U_\sim = 200 ~{\rm V}$. At which frequencies the following |
- $0.5 ~\rm A$ | - $0.5 ~\rm A$ | ||
- $0.8 ~\rm A$ | - $0.8 ~\rm A$ |