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184_notes:combinations [2021/07/05 20:59] – curdemma | 184_notes:combinations [2021/11/23 21:09] (current) – waterso8 | ||
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$$R_{3, | $$R_{3, | ||
$$R_{3, | $$R_{3, | ||
- | At this point $R_5$ and $R_{3,4}$ are in parallel because they have the same potential difference across them. Note that $R_5$ is //not// in parallel with $R_3$ or with $R_4$ but only with combination. We can then find the combined resistance of $R_{2-4}$ then: | + | At this point $R_2$ and $R_{3,4}$ are in parallel because they have the same potential difference across them. Note that $R_2$ is //not// in parallel with $R_3$ or with $R_4$ but only with combination. We can then find the combined resistance of $R_{2-4}$ then: |
$$\frac{1}{R_{2-4}}=\frac{1}{R_2}+\frac{1}{R_{3, | $$\frac{1}{R_{2-4}}=\frac{1}{R_2}+\frac{1}{R_{3, | ||
$$R_{2-4}=(\frac{1}{7}+\frac{1}{24})^{-1}$$ | $$R_{2-4}=(\frac{1}{7}+\frac{1}{24})^{-1}$$ |