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electrical_engineering_and_electronics_1:block05 [2025/11/22 19:53] – mexleadminelectrical_engineering_and_electronics_1:block05 [2026/01/10 13:23] (aktuell) – mexleadmin
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-====== Block 05 — Resistive networks ======+====== Block 05 — Resistive Networks ======
  
-===== Learning objectives =====+===== 5.0 Intro ===== 
 + 
 +==== 5.0.1 Learning Objectives ====
 <callout> <callout>
 After this 90-minute block, you can After this 90-minute block, you can
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 </callout> </callout>
  
-===== Preparation at Home =====+==== 5.0.2 Preparation at Home ====
  
 And again:  And again: 
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-===== 90-minute plan  =====+==== 5.0.3 90-minute Plan  ====
   * 0–10 min — Recap KCL/KVL; sign conventions.   * 0–10 min — Recap KCL/KVL; sign conventions.
   * 10–30 min — Series & parallel; quick numeric checks.   * 10–30 min — Series & parallel; quick numeric checks.
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 ~~PAGEBREAK~~ ~~CLEARFIX~~ ~~PAGEBREAK~~ ~~CLEARFIX~~
-===== Core Content ===== +===== 5.1 Core Content ===== 
-==== Unloaded voltage divider ====+==== 5.1.1 Unloaded Voltage Divider ====
  
 The series circuit of two resistors $R_1$ and $R_2$ shall be considered now. \\ The series circuit of two resistors $R_1$ and $R_2$ shall be considered now. \\
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-==== The loaded Voltage Divider ====+==== 5.1.2 The loaded Voltage Divider ====
  
 If - in contrast to the abovementioned, unloaded voltage divider - a load $R_{\rm L}$ is connected to the output terminals (<imgref BildNr15>), this load influences the output voltage. If - in contrast to the abovementioned, unloaded voltage divider - a load $R_{\rm L}$ is connected to the output terminals (<imgref BildNr15>), this load influences the output voltage.
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-==== Bridge networks (Wheatstone) ====+==== 5.1.3 Bridge Networks (Wheatstone) ====
 A four-resistor bridge can be seen as **two voltage dividers in parallel**. The detector (bridge branch) sees the **difference** of the two divider node voltages. The **balance condition** (zero detector current) is A four-resistor bridge can be seen as **two voltage dividers in parallel**. The detector (bridge branch) sees the **difference** of the two divider node voltages. The **balance condition** (zero detector current) is
 \begin{align*} \begin{align*}
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-==== Strategy for network reduction ====+==== 5.1.4 Strategy for network reduction ====
   * Reshape (without changing node connections), then collapse **clear** series or parallel groups.   * Reshape (without changing node connections), then collapse **clear** series or parallel groups.
   * (If blocked by a three-terminal cluster, apply **Δ–Y** (or **Y–Δ**), then collapse again. {{wp>Y-Δ_transform|Y–Δ and Δ–Y}} ist not covered and necessary in this course)   * (If blocked by a three-terminal cluster, apply **Δ–Y** (or **Y–Δ**), then collapse again. {{wp>Y-Δ_transform|Y–Δ and Δ–Y}} ist not covered and necessary in this course)
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-===== Exercises =====+===== 5.2 Exercises =====
  
 <panel type="info" title="Exercise 2.4.3 Three Resistors"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 92%> <panel type="info" title="Exercise 2.4.3 Three Resistors"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 92%>