The third (current-carrying) rail of a subway track is made of steel and has a cross-sectional area
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The third (current-carrying) rail of a subway track is made of steel and has a cross-sectional area of about 55 cm2. What is the resistance of 10 km of this track?
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Related Book For
Fundamentals of Ethics for Scientists and Engineers
ISBN: 978-0195134889
1st Edition
Authors: Edmund G. Seebauer, Robert L. Barry
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