Dielectric constant of different materials

螢幕截圖 2016-04-05 15.37.47

Item no.: P2420600


The electric constant is determined by measuring the charge of a plate capacitor to which a voltage is applied. The dielectric constant is determined in the same way, with plastic or glass filling the space between the plates.


  1. The relation between charge Q and voltage U is to be measured using a plate capacitor.
  2. The electric constant is to be determined from the relation measured under point 1.
  3. The charge of a plate capacitor is to be measured as a function of the inverse of the distance between the plates, under constant voltage.
  4. The relation between charge Q and voltage U is to be measured by means of a plate capacitor, between the plates of which different solid dielectric media are introduced. The corresponding dielectric constants are determined by comparison with measurements performed with air between the capacitor plates.

What you can learn about

  • Maxwell’s equations
  • Electric constant
  • Capacitance of a plate capacitor
  • Real charges
  • Free charges
  • Dielectric displacement
  • Dielectric polarisation
  • Dielectric constant

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