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electrical_engineering_and_electronics_2:task_5.4.2_with_calc [2025/09/19 16:02] – gelöscht - Externe Bearbeitung (Unbekanntes Datum) 127.0.0.1electrical_engineering_and_electronics_2:task_5.4.2_with_calc [2025/09/19 16:02] (aktuell) – ↷ Seitename wurde von electrical_engineering_and_electronics_2:task_1.4.2_with_calc auf electrical_engineering_and_electronics_2:task_5.4.2_with_calc geändert mexleadmin
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 +<panel type="info" title="Task 5.4.2 electrical Field at different Geometry I (exam task, ca 6% of a 60 minute exam)"> <WRAP group><WRAP column 2%>{{fa>pencil?32}}</WRAP><WRAP column 92%>
  
 +<WRAP right>
 +{{drawio>electrical_engineering_2:feldstaerkegeometriei.svg}}
 +</WRAP>
 +
 +The figure on the right shows an arrangement of ideal metallic conductors (gray) with specified charge. In white a dielectric (e.g. vacuum) is shown. 
 +Several designated areas are shown by green dashed frames, which are partly inside the objects.
 +
 +Arrange the designated areas clearly according to ascending field strength (magnitude)!
 +Indicate also, if designated areas have quantitatively the same field strength. 
 +
 +<button size="xs" type="link" collapse="Loesung_5_4_2_Tipps">{{icon>eye}} Tips for the solution</button><collapse id="Loesung_5_4_2_Tipps" collapsed="true">
 +  * What is the field in a room completely surrounded by a conductive conductor?
 +  * How does the field behave inside a conductor? 
 +  * Does the field strength increase or decrease when a charge moves away from another charge?
 +  * Is the field at a peak higher or lower?
 +</collapse>
 +
 +<button size="xs" type="link" collapse="Loesung_5_4_2_Lösungsweg">{{icon>eye}} Solution</button><collapse id="Loesung_5_4_2_Lösungsweg" collapsed="true">
 +  - At $b$ and $d$ no field is measurable, because the surrounded conductor is on a constant field. There is no potential difference and therefore no field.
 +  - At $c$ a field (magnitude >0) is measurable, which points from the charge ($+1~\rm{C}$) to the elongated conductor ($-2~\rm{C}$). Due to the tip, there is an excess charge and thus a higher field.
 +  - At $a$ a field (magnitude >0) is measurable, which points from the charge ($+1~\rm{C}$) to the elongated conductor ($-2~\rm{C}$).
 +
 +</collapse>
 +
 +<button size="xs" type="link" collapse="Loesung_5_4_2_Endergebnis">{{icon>eye}} Result</button><collapse id="Loesung_5_4_2_Endergebnis" collapsed="true">
 +$ b = d < a < c $
 +</collapse>
 +
 +</WRAP></WRAP></panel>