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| 184_notes:examples:week8_resistors_parallel [2021/06/28 23:47] – schram45 | 184_notes:examples:week8_resistors_parallel [2021/06/28 23:51] (current) – [Solution] schram45 | ||
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| We know enough potential differences to find the voltage across Resistor 2: | We know enough potential differences to find the voltage across Resistor 2: | ||
| $$\Delta V_2 = \Delta V_3+\Delta V_4 = 8 \text{ V}$$ | $$\Delta V_2 = \Delta V_3+\Delta V_4 = 8 \text{ V}$$ | ||
| + | One way in which we can evaluate the solution here is to pick a few other loops in the circuit and make sure they are still valid. There are often times many more loops in a circuit than the solution goes through. | ||
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| That's all! Note that there are a lot of ways to do this problem, but we chose an approach that showcases the power of knowing equivalent resistance for resistors in parallel, and the power of the Loop Rule. See if you can create a different method for finding the unknowns. | That's all! Note that there are a lot of ways to do this problem, but we chose an approach that showcases the power of knowing equivalent resistance for resistors in parallel, and the power of the Loop Rule. See if you can create a different method for finding the unknowns. | ||