Flux integral is equal to zero

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SUMMARY

The discussion centers on the concept of flux integrals in vector fields, specifically addressing the scenario where the flux integral over a unit sphere centered at the origin equals zero. It is established that a zero flux integral does not imply that the vector field F is identically zero. Examples of vector fields are provided where the flux through different sections cancels each other out, leading to a net flux of zero despite the presence of non-zero vector fields.

PREREQUISITES
  • Understanding of vector fields and their properties
  • Knowledge of flux integrals and surface integrals
  • Familiarity with the Divergence Theorem
  • Basic calculus concepts related to integration
NEXT STEPS
  • Study the Divergence Theorem and its applications in vector calculus
  • Explore examples of vector fields with non-zero flux that yield zero net flux
  • Investigate the concept of conservative vector fields and their implications on flux
  • Learn about the relationship between divergence and flux integrals
USEFUL FOR

Students of calculus, physicists, and mathematicians interested in vector calculus and the properties of flux integrals in various fields.

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Homework Statement



If s is a unit sphere, centered on the origin and oriented outward, and the flux integral is eual to zero, does F=0?


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The Attempt at a Solution

 
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Not necessarily. Think for a bit and you should be able to come up with some simple examples of vector fields where the flux through different parts cancels out when you integrate it over the whole surface.
 

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