I'm trying to understand how to calculate resistance in simple mixed parallel and series resister circuit. Below is a question from a worksheet I've been playing with to better understand the topic (Question 5 ->Figure 6).
I can see the 220Ω and 100Ω resistors are in parallel, but I do not understand how to break out and calculate the 470Ω and 330Ω resistors.
The answer given is 80.54 Ω, but I cannot seem to reach this on my own.
How do I calculate the resistance between points A and B?
Source: AllAboutCircuits.com - Series-Parallel DC Circuits Worksheet
Answer
Try re-drawing the schematic:
simulate this circuit – Schematic created using CircuitLab
Hopefully the solution will be obvious once you do so (comment/ask if it's not).
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