Thursday, September 17, 2015

XII.II Electrostatic Potential And Capacitance

Electrostatics of conductors;

  • Inside a conductor, electrostatic field is zero
  • At the surface of a conductor, electrostatic field must be normal to the surface at every point
  • The interior of a conductor can have no excess charge in the static situation, any excess charge must reside at the surface
  • Electrostatic Shielding: Any cavity in a conductor remains shielded from outside electric influence; the field inside the cavity is always zero

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