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  4. Two infinitely large charged planes having uniform surface charge density +σ and -σ are placed along x-y plane and y-z plane, respectively, as shown in the figure. Then the nature of electric lines of forces in x-z plane is given by

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Q. Two infinitely large charged planes having uniform surface charge density $+\sigma$ and $-\sigma$ are placed along $x-y$ plane and $y-z$ plane, respectively, as shown in the figure. Then the nature of electric lines of forces in $x-z$ plane is given byPhysics Question Image

Electric Charges and Fields

Solution:

The electric field intensity due to each uniformly charged infinite plane is uniform. The electric field intensity at points $A, B, C$ and $D$ due to plane 1 , plane 2 and both planes are given by $E_{1}, E_{2}$ and $E$ as shown in figure 1 . Hence, the electric lines of forces are as given in figure 2 .
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