Find the electric field a distance z above the center of a flat circular disk of radius R with a uniform surface charge density σ. Does the field fall off as expected (the inverse square of distance) when z >> R?

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Find the electric field a distance z above the center of a flat circular disk of radius
R with a uniform surface charge density σ. Does the field fall off as expected (the
inverse square of distance) when z >> R?
Transcribed Image Text:Find the electric field a distance z above the center of a flat circular disk of radius R with a uniform surface charge density σ. Does the field fall off as expected (the inverse square of distance) when z >> R?
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