What is the surface charge density sigma? - Physics Forums
2008年3月2日 · To solve for the surface charge density in this problem, we can use the formula E=σ/ε0, where E is the electric field, σ is the surface charge density, and ε0 is the permittivity …
E&M: Gauss' Law Surface Charge Density - Physics Forums
2023年9月12日 · In summary, "E&M: Gauss' Law Surface Charge Density" explains the relationship between electric fields and surface charge distributions using Gauss' Law. It …
Surface charge density of a conducting spherical shell - Physics …
2019年9月24日 · In summary, the textbook explains that for a conducting sphere shell with radius R that is charged until the electric field just outside its surface is E, the surface charge density …
Cylindrical Surface Charge Density - Physics Forums
2010年7月14日 · Homework Statement The figure shows a portion of an infinitely long, concentric cable in cross section. The inner conductor carries a charge of 6 nC/m and the outer …
Find the surface charge density - Physics Forums
2005年7月17日 · The formula for surface charge density is E = \delta/surface area, and the surface area of a sphere is 4PIr^2. The participant initially had trouble finding the correct …
Finding the charge density of an infinite plate - Physics Forums
2020年10月11日 · The charge density of an infinite plate can be calculated by dividing the total charge on the plate by its surface area. Mathematically, it can be represented as ρ = Q/A, …
Writing the charge density in the form of the Dirac delta function
2021年5月14日 · In summary, the conversation discusses the correct way to write the charge distribution of a rectangle in the -plane, as well as the general formula for charge density on a …
Capacitor: surface charge densities - Physics Forums
2014年1月12日 · The surface charge density in a capacitor can be calculated using the equation σ = Q/A, where Q is the total charge on the plates and A is the total surface area of the plates.
Induced surface charge density - Physics Forums
2017年2月18日 · Hello! I am a bit confused about calculating the induced surface charge density on an infinite conducting plane, with 0 potential, in the presence of a charge, q, a distance d …
Derivation of induced charge on a dielectric - Physics Forums
2015年12月4日 · In summary: So, the correct equations should be:E0=σε0EI=σ′k.In summary, the induced charge density on a dielectric placed inside a capacitor is given by (k-1)/k * sigma, …