Isaac Physics 'A Power Problem', Problem

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domm1
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Here's the link to the question:
https://isaacphysics.org/questions/a...b-b4d62c994132

I was confused at first so looked at the hints and saw they'd split the circuit up into different parts labelled A, B and C. There was another post I saw made on this question, and for parts A, B and C they got values of 3Ω, 20Ω, and 6Ω respectively. When calculating them myself I got the correct values for A and B, however for C I could not see how they'd arrived at 6Ω. Could someone please just quickly explain this to me please?
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mqb2766
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Check the link?
Tbh, when you copy duplicate posts on the Physics forum, the link can get shortened/corrupted. The other post is getting responses, pls don't post duplicate threads.
Last edited by mqb2766; 1 month ago
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