What is the magnitude of the net charge enclosed by surface?

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SUMMARY

The discussion focuses on calculating the net charge enclosed by a closed surface with dimensions a = b = 0.302m and c = 0.604m, subjected to a nonuniform electric field defined by E = (4 + 4x²) î, where α = 4 N/C and β = 4 N/(C·m²). Participants emphasize the application of Gauss' Law to determine the enclosed charge, which states that the net charge (Q) can be found using the equation Q = ε₀ ∫ E · dA over the surface. The correct approach involves integrating the electric field across the specified surface area.

PREREQUISITES
  • Understanding of Gauss' Law and its application in electrostatics.
  • Familiarity with electric field concepts and nonuniform electric fields.
  • Knowledge of surface integrals and their role in calculating electric flux.
  • Basic understanding of the constants involved, such as ε₀ (permittivity of free space).
NEXT STEPS
  • Study the derivation and applications of Gauss' Law in electrostatics.
  • Learn how to perform surface integrals in the context of electric fields.
  • Explore examples of calculating electric flux through various geometries.
  • Investigate the implications of nonuniform electric fields on charge distribution.
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Students of physics, particularly those studying electromagnetism, educators teaching electrostatics, and anyone looking to deepen their understanding of electric fields and Gauss' Law applications.

YeetForTheOneTime
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Homework Statement


A closed surface with dimensions a = b = 0.302m and c=0.604m is located as in the figure.
The electric field throughout the region is nonuniform and defined by E⃗ = (α+βx2)ˆı where x is in meters,α=4N/C, andβ=4N/(C·m2).?
What is the magnitude of the net charge enclosed by the surface?
Answer in units of C.

Homework Equations

The Attempt at a Solution


I tried to use E= (4+4x^2) and distribute the Epsilon naught value but obviously that is completely wrong. I am struggling and would appreciate any help that can be offered!
 

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YeetForTheOneTime said:

Homework Statement


A closed surface with dimensions a = b = 0.302m and c=0.604m is located as in the figure.
The electric field throughout the region is nonuniform and defined by E⃗ = (α+βx2)ˆı where x is in meters,α=4N/C, andβ=4N/(C·m2).?
What is the magnitude of the net charge enclosed by the surface?
Answer in units of C.

Homework Equations

The Attempt at a Solution


I tried to use E= (4+4x^2) and distribute the Epsilon naught value but obviously that is completely wrong. I am struggling and would appreciate any help that can be offered!
What is the direction of the electric field?
Do you know Gauss' Law?
 

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