Dielectrics Table: Reccomended Functions, Packages, Values & Ranges

Thread starter Dave06
Start date Jun 28, 2009
Tags

Dielectrics Table

Jun 28, 2009

Dave06

I could do with a table that's shows

The meduim
Reccomended Functions
Pakages
Polorised or not
Capicitor values
Tollerance ranges

Anything near to that would be great

Thanks

Physics news on Phys.org

Time crystals arise from quantum interactions once thought to prevent their formation
Proposed framework describes physics from perspective of quantum reference frames
New tool steers AI models to create materials with exotic quantum properties

Jun 30, 2009

likephysics

Look up dielectrics on wikipedia

Thread 'Free surface problem in electrohydrodynamics'

I'm thinking about the following problem. I have an electrified fluid with a constant charge density, ##Q##, within the fluid. Will this necessarily yield a surface charge? Would I have to compute it by looking at the displacement fields on either side of the interface? Would it change if the bulk charge within the fluid remains constant?

View full post »

Thread 'Maxwell stress tensor'

This is from Griffiths' Electrodynamics, 3rd edition, page 352. I am trying to calculate the divergence of the Maxwell stress tensor. The tensor is given as ##T_{ij} =\epsilon_0 (E_iE_j-\frac 1 2 \delta_{ij} E^2)+\frac 1 {\mu_0}(B_iB_j-\frac 1 2 \delta_{ij} B^2)##. To make things easier, I just want to focus on the part with the electrical field, i.e. I want to find the divergence of ##E_{ij}=E_iE_j-\frac 1 2 \delta_{ij}E^2##. In matrix form, this tensor should look like this...

View full post »

Thread 'Applying the Gauss (1835) formula for force between 2 parallel DC currents'

Please can anyone either:- (1) point me to a derivation of the perpendicular force (Fy) between two very long parallel wires carrying steady currents utilising the formula of Gauss for the force F along the line r between 2 charges? Or alternatively (2) point out where I have gone wrong in my method? I am having problems with calculating the direction and magnitude of the force as expected from modern (Biot-Savart-Maxwell-Lorentz) formula. Here is my method and results so far:- This...

View full post »