Chapter S-12 Solutions for Chapter 12

  • Andrea MacchiEmail author
  • Giovanni Moruzzi
  • Francesco Pegoraro


Since the capacitance has been defined assuming static conditions and b2oundary effects are negligible for an “infinite” wire, we evaluate the capacitance per unit length of the cable, \(\mathcal{C}\), as for a cylindrical capacitor assuming the charge density to be constant in time and uniformly distributed.


  1. 1.
    R.P. Feynman, R.B. Leighton, M. Sands, The Feynman Lectures on Physics, Addison-Wesley Publishing Company, Reading, MA 2006. Volume II, Section 24–8Google Scholar
  2. 2.
    J.D. Jackson, Classical Electrodynamics, § 9.2 and 9.4, 3rd Ed., Wiley, New York, London, Sidney (1998)Google Scholar

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© Springer International Publishing AG 2017

Authors and Affiliations

  • Andrea Macchi
    • 1
    Email author
  • Giovanni Moruzzi
    • 1
  • Francesco Pegoraro
    • 1
  1. 1.Department of Physics “Enrico Fermi”University of PisaPisaItaly

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