Unterschiede
Hier werden die Unterschiede zwischen zwei Versionen angezeigt.
Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung | ||
electrical_engineering_1:network_analysis [2023/11/28 00:42] mexleadmin |
electrical_engineering_1:network_analysis [2023/11/28 00:45] (aktuell) mexleadmin |
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Zeile 543: | Zeile 543: | ||
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- | * Find the relationship between $R_1$, $R_2$, and $R_3$ by investigating Kirchhoff' | + | 2. Find the relationship between $R_1$, $R_2$, and $R_3$ by investigating Kirchhoff' |
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Zeile 579: | Zeile 579: | ||
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- | * What is the input resistance $R_{\rm in}(R_1, R_2, R_3)$ of the circuit (viewed from the sensor)? | + | 3. What is the input resistance $R_{\rm in}(R_1, R_2, R_3)$ of the circuit (viewed from the sensor)? |
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Zeile 590: | Zeile 590: | ||
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- | * What is the minimum allowed input resistance ($R_{\rm in, min}(R_1, R_2, R_3)$) for the sensor to still deliver current? | + | 4. What is the minimum allowed input resistance ($R_{\rm in, min}(R_1, R_2, R_3)$) for the sensor to still deliver current? |
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\begin{align*} | \begin{align*} | ||
- | R_{\rm in, min} &= {{U_{\sense}}\over{I_{sense, | + | R_{\rm in, min} &= {{U_{\rm sense}}\over{I_{\rm sense, max}}} \\ |
&= \rm {{15 V}\over{1 mA}} \\ | &= \rm {{15 V}\over{1 mA}} \\ | ||
&= 15 k\Omega \\ | &= 15 k\Omega \\ |