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. …
Resultant capacitance of a capacitor having a combination of ...
Mar 7, 2021 · In few questions, I am having some confusion on how to take the resultant capacitance of a parallel plate capacitor with a combination of dielectric in between parallel …
Why does the capacitance of a parallel plate capacitor increase on ...
Oct 31, 2023 · With a dielectric present due to the induced charge (called polarisation) the electric field within the dielectric is reduced but unlike a conductor does not become zero but a similar …
What is the physical reasons for variations in the tangential and ...
Dec 19, 2016 · According to Dielectric to Dielectric Boundary conditions, the tangential components of the electric field E remain continuous at the boundary of two dielectrics while …
Surface charge on dielectric interface - Physics Stack Exchange
Jan 19, 2021 · As the dielectric constant of the plates are different, I would expect a surface density at the interface of the two dielectric materials. I want to calculate this surface charge …
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?
What are the conditions under which these equations hold for …
Mar 31, 2024 · These equations seem to hold in most cases, but there are exceptions (e.g., a dielectric sphere uniformly polarized in a uniform electric field). My textbook tells me that these …
electricity - Why do we use dielectric materials in a capacitor ...
Feb 28, 2019 · Dielectric materials tend to be more insulating than air, and thus by using such a material the plates (in a parallel plate capacitor) can be placed closer together which would …
Conductor-Dielectric Boundary Conditions - Physics Stack Exchange
Dec 3, 2022 · 2 We have a conductor of resistivity $\rho$ and has a boundary with a dielectric of permittivity $\epsilon$ and we have displacement vector $\vec D$ at an angle $\alpha$ with …
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 …