Unterschiede
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Beide Seiten der vorigen Revision Vorhergehende Überarbeitung Nächste Überarbeitung | Vorhergehende Überarbeitung Nächste Überarbeitung Beide Seiten der Revision | ||
electrical_engineering_2:task_1.1.5 [2022/03/10 11:47] tfischer [Bearbeiten - Panel] |
electrical_engineering_2:task_1.1.5 [2023/03/10 11:31] mexleadmin |
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Zeile 1: | Zeile 1: | ||
- | <panel type=" | + | <panel type=" |
<WRAP right> | <WRAP right> | ||
Zeile 7: | Zeile 7: | ||
Given is an arrangement of electric charges located in a vacuum (see picture on the right). \\ | Given is an arrangement of electric charges located in a vacuum (see picture on the right). \\ | ||
The charges have the following values: | The charges have the following values: | ||
- | $Q_1=2 | + | $Q_1=2 |
- | $Q_2=-4 | + | $Q_2=-4 |
- | $Q_3=0 C$ (infinitely extended surface charge) | + | $Q_3=0 |
- | $\varepsilon_0=8,854\cdot 10^{-12} | + | $\varepsilon_0=8.854\cdot 10^{-12} |
1. calculate the magnitude of the force of $Q_2$ on $Q_1$, without the force effect of $Q_3$. | 1. calculate the magnitude of the force of $Q_2$ on $Q_1$, without the force effect of $Q_3$. | ||
- | <button size=" | + | <button size=" |
\begin{align*} | \begin{align*} | ||
- | |F_C| = 0,3595 N -> 0,36 N | + | |\vec{F}_C| = 0.3595 ~N \rightarrow |
\end{align*} | \end{align*} | ||
\\ | \\ | ||
Zeile 25: | Zeile 25: | ||
2. is this force attractive or repulsive? | 2. is this force attractive or repulsive? | ||
- | <button size=" | + | <button size=" |
The force is attractive because the charges have different signs. \\ \\ \\ | The force is attractive because the charges have different signs. \\ \\ \\ | ||
</ | </ | ||
- | Now let $Q_2=0$ and the surface charge $Q_3$ be designed in such a way that a homogeneous electric field with $E_3=100 kV/m$ results. \\ What force (magnitude) now results on $Q_1$? | + | Now let $Q_2=0$ and the surface charge $Q_3$ be designed in such a way that a homogeneous electric field with $E_3=100 |
- | <button size=" | + | <button size=" |
\begin{align*} | \begin{align*} | ||
- | |F_C| = 0,4 N | + | |\vec{F}_C| = 0.4 ~N |
\end{align*} \\ | \end{align*} \\ | ||
</ | </ |