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PH 223 Discussion 27 A
Transcript of PH 223 Discussion 27 A
Gauss's law is much easier at finding the strength of an electric field, but needs to use the ideas of:
Closed surface integral
Add up the component of the Electric field perpendicular to the entire surface.
Make a good surface!
For example consider finding the electric field a distance d from an infinite plate of charge.
What is the electric field strength in all three regions, and what conceptually lead you to find them?
Consider the following picture with a Gaussina surface shapped as a cylinder with 2 infinitly charged planes as shown.