distribution. (a) Determine the electric field at any value ofr. (b) Sketch the graph of the electric field magnitude with r. (c) Describe how the electric field varies with the distance r.
distribution. (a) Determine the electric field at any value ofr. (b) Sketch the graph of the electric field magnitude with r. (c) Describe how the electric field varies with the distance r.
Chapter7: Electric Potential
Section: Chapter Questions
Problem 72P: The practical limit to all electric field in air is about 3.00106 N/C. Above this strength, sparking...
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Transcribed Image Text:Problem 4. Exponentially Decaying Charge Density. A spherically symmetric
charge distribution is described by a volume charge density given by p = Poe-r/a,
where
Po
and a are both positive constants, and r is the distance from the center of the
distribution. (a) Determine the electric field at any value ofr. (b) Sketch the graph of
the electric field magnitude with r. (c) Describe how the electric field varies with the
distance r.
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