Consider a spherical shell with radius R and surface charge density σ = σ0 cosθ

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SUMMARY

The discussion focuses on calculating the total charge of a spherical shell with radius R and a surface charge density defined as σ = σ0 cosθ. The total charge Q is derived using the integral Q=∫σ0 cosθ da. The participants confirm that the total charge carried by the shell is zero due to the symmetry of the charge distribution, while the charge of the upper hemisphere requires further evaluation through integration techniques.

PREREQUISITES
  • Understanding of spherical coordinates
  • Familiarity with surface charge density concepts
  • Knowledge of integral calculus
  • Experience with electrostatics and charge distributions
NEXT STEPS
  • Study spherical coordinate integration techniques
  • Learn about surface charge density and its implications in electrostatics
  • Explore the concept of charge symmetry in electric fields
  • Review examples of calculating total charge for non-uniform charge distributions
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Students in physics or engineering, particularly those studying electromagnetism, as well as educators looking for examples of charge distribution problems.

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Homework Statement



Consider a spherical shell with radius R and surface charge density σ = σ0 cosθ
(a) What is the total charge carried by the shell?
(b) Please evaluate the charge carried by the upper hemisphere, in terms of σ0.



Homework Equations



Q=∫σ0 cosθ da


The Attempt at a Solution


For a), is zero correct?
For b), I don't know how to do the integation.
 
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What is theta? What coordinate system are you using?
 

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