Electric flux through the square

In summary, the electric flux through a square is a measure of the electric field passing through the square, calculated by multiplying the electric field strength by the area of the square and the cosine of the angle between the two. Its unit is volt-meters or newton-meters squared per coulomb. The orientation of the square affects the calculation of electric flux, and it has various real-life applications in fields such as electrical engineering and telecommunications.
  • #1
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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  • #2
Think in 3D.

fluxsquare.JPG
 
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Likes gracy
  • #3
Understood.Thanks @ehild.
 

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