Answer
$$\ 20Ω $$
Work Step by Step
we obtain,
$\ R= (R_{1} + R_{2})/2 - α\times L$
$\ = (100 Ω + 200 Ω )\div 2 = 13Ω/km\times 10km = 20Ω$
Fundamentals of Physics Extended (10th Edition)
by Halliday, David; Resnick, Robert; Walker, Jearl
Published by
Wiley
ISBN 10:
1-11823-072-8
ISBN 13:
978-1-11823-072-5
Chapter 27 - Circuits - Problems - Page 796: 13b
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