Dielectrical constant / relative permittivity

  • #1
Hi!

Im woundering if the relative permittivity in a capacitor is dependent on
the level of charge in the capacitor?

/Nikke.
 

Answers and Replies

  • #2
Dick
Science Advisor
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The charge on the capacitor affects the E field through the dielectric. In an ideal capacitor the permittivity is independent of field. Real devices have some degree on nonlinearity (eg at high voltages they will simply break down).
 
  • #3
ok cool, thats what i thought.

cheers
 

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