Transformer power loss

In summary: Ok I admit I am not aware of the full analysis of the power loss in a transmission line (which might be a bit complicated, since the current varies along the transmission line, there is the the skin effect which increases the ohmic resistance e.t.c) but I 've seen this simplification that ##P_{loss}=I^2R## in many books, where ##I## the current at the end of the transmission line and ##R## its total ohmic resistance.In summary, the power loss in a transmission line is calculated to be I^2R.
  • #36
Mister T said:
OpenStax is riddled with errors like this.
What's funny is that this example is mentioned in the errata for the book and supposedly was reviewed/corrected just last year. Leaving out part (d) in the problem statement itself seems like a pretty big error to miss.
 

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