Electrical Lectures
About Permeability And Permitivity
The strength of electric field or electrostatic force strength or intensity of field (all synonymous terms) is measured & expressed in terms of force experienced by unit positive charge placed in sphere of influence of another source charge, which has… Read more
Feb 01, 2012 | By Asif Eqbal
Electronics
Use Hall Effect Measurements to Characterize Materials
Written by Robert Green Engineers have been using Hall effect measurements to characterize materials since Edwin Hall discovered the phenomenon in 1879. The Hall effect is the generation of a voltage, called the Hall voltage, across a sample of a… Read more
Oct 19, 2011 | By elaina
Energy and Power
What is the Eddy Current?
Cant see this video? Click here to watch it on Youtube. Eddy currents are currents induced in conductors to oppose the change in flux that generated them. It is caused when a conductor is exposed to a changing magnetic field… Read more
Oct 13, 2011 | By Edvard Csanyi
