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A cylindrical copper wire has a resistivity , length L, and circular cross-section of diameter d. You decrease d by a factor of two, and
A cylindrical copper wire has a resistivity , length L, and circular cross-section of diameter d. You decrease d by a factor of two, and apply the same voltage. How does the current which flows in this case compare with before you made the change
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Waves And Oscillations In Plasmas
Authors: Hans L. Pecseli
2nd Edition
978-1032236421, 1032236426
