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Author Topic: Relation between displacement current and electric field with R-C circuit  (Read 15620 times)
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Fu-Kwun Hwang
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on: February 15, 2011, 11:20:41 pm » posted from:Taipei,T\'ai-pei,Taiwan

The electric displacement field is defined as:
\boldsymbol{D} = \varepsilon_0 \boldsymbol{E} + \boldsymbol{P}\ =\varepsilon \boldsymbol{E}.

where:
  ε0 is the permittivity of free space
  E is the electric field intensity
  P is the polarization of the medium

The folliwing use RC-circuit to show relation between displacement current and electric field.

To make it easier, the value of ε0 is assigned as 0.5

Un-check the off check box to connect the DC voltage source to the RC circuit (ON).
 k is the dielectric constant \varepsilon/\varepsilon_0.
You can adjust voltage source Vs, resistance R, capacitance C.

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