 Quote by Ruptor
...it is difficult to see how any part of the loop is any different to a straight piece of wire that doesn't have inductance.?
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Straight pieces of wire do have inductance, but in practice it is often small enough to ignore. Also the current through a straight wire can't just appear and disappear "by magic" at the ends of the wire, and the
complete electrical circuit might behave more like a loop even if part of it is a "straight wire".
http://www.ee.scu.edu/eefac/healy/indwire.html