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A charged sphere of radius r has surface charge density \sigma.... | Filo

the earths electric field creates a potential that increases 100 v for every meter ofaltitude if an object of charge 45 mc and mass 68 g falls a distance of 10 m from restunder the influence 84815

The force acting on a surface charge. An uncharged metallic sphere of radius R is placed into an external uniform field, as a result of which an induced charge appears on the sphere with surface density σ=σ0 cosϑ, where σ0 is a positive constant and θis a polar angle. Find the magnitude of the resultant electric force acting on like charges. Solution. According to (2.5), the force acting on the area element d S is ċ  F=(1)/(2) σE d S . It follows from symmetry considerations that the resultant f

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