Electric flux through the square

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SUMMARY

The discussion centers on calculating the electric flux through a square when a point charge of +6μC is positioned 20 cm above its center. The magnitude of the flux through the square cannot be determined without enclosing the charge completely, which requires the use of five additional squares to form a cube. The concept of electric flux is clarified by emphasizing the necessity of a three-dimensional perspective to fully enclose the charge.

PREREQUISITES
  • Understanding of electric flux and Gauss's Law
  • Familiarity with point charges and their effects on electric fields
  • Basic knowledge of three-dimensional geometry
  • Ability to visualize spatial arrangements of charges and surfaces
NEXT STEPS
  • Study Gauss's Law and its applications in electrostatics
  • Learn about electric field calculations for point charges
  • Explore the concept of electric flux in three-dimensional geometries
  • Investigate the construction of Gaussian surfaces for various charge configurations
USEFUL FOR

Students studying electromagnetism, physics educators, and anyone interested in understanding electric flux and its calculations in three-dimensional contexts.

gracy
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Homework Statement


A point charge of +6μC is placed at a distance 20 cm directly above the center of a square of side 40cm.The magnitude of the flux through the square is

Homework Equations



image030.gif

The Attempt at a Solution


cu.png

Now how to enclose the charge completely?The answer is with the help of 5 more squares but I want to know how?Because this will make a cube
cc.png

The charge is not enclosed completely.
 
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Think in 3D.

fluxsquare.JPG
 
  • Like
Likes   Reactions: gracy
Understood.Thanks @ehild.
 

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