Difference between dielectric constant and dielectric function
I'm confused by the definition of dielectric constant. We all know that dielectric is function of wavelength, because materials respond in different ways depending on the energy of the light. …
What is the dielectric constant of a pure conductor?
Feb 18, 2016 · Dielectric constant is the ratio of permittivity of a medium to the permittivity of free space. How to find dielectric constant of a conductor?
electromagnetism - Dielectric constant or permittivity of metals ...
Jan 9, 2016 · I'm wondering what the dielectric constant or permittivity of metals is --particularly copper. Do metals have an infinite permittivity?
Surface Charge Density At Boundary Between Vacuum And Linear …
Jun 3, 2024 · The dielectric half slab won't affect this much, because when there is only a negligible gap between the plates and the slab, the contribution to line integral of electric field …
electromagnetic radiation - Real and imaginary parts of dielectric ...
According to Jackson, the real part of the dielectric is related to polarization and anomalous dispersion, while the imaginary part is associated with dissipation of energy into the medium.
Displacement current in a dielectric - Physics Stack Exchange
Jan 27, 2025 · Further, this would imply that the equation for net displacement current in a dielectric medium would be $\epsilon_ok \frac {d\phi_E} {dt}$ However, this result doesn't …
What is the force between two charged objects when the space …
Mar 17, 2015 · Now an infinite dielectric (of dielectric constant $4$) of width $\frac {r} {2}$ is introduced between the particles. What will be the new force? I find this problem confusing …
What is the difference between a dielectric and a semiconductor?
Dec 16, 2018 · A dielectric is always an insulator. A semiconductor can be an insulator or a conductor depending on conditions such as whether an electric field is present. For example a …
How is dielectric constant both $E_ {net}/E_o$ and $ε/ε_o$?
Jan 15, 2021 · The questions asks that, given the (surface) charge density (σ) on the plates of a parallel plate capacitor and dielectric constant (k), what would be the magnitude of induced …
dielectric - Dependence of capacitance on its build material
Since each of these oxides has a different dielectric constant and dielectric strength (withstand voltage), a capacitor made from one material would have different characteristics to a …