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huszarerik

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- Homework Statement
- In the electric field of the point-charge (Q) above the conducting sheet (fig 1), we follow an electric field line, which leaves the point-charge parallel to the sheet. Where will the electric field line meet the surface of the conducting sheet?

- Relevant Equations
- Gauss's Law: ∫ E⋅da=Qin/ε

Charge density on the conductor: σ=-Q*h/2*π*(r^2+h^2)^(3/2)

where:

h = distance from the point-charge to the sheet

r = distance along the horizontal axis on the conducting sheet

I don't understand how to approach this problem. Basically it asks for the distance r.I think I should use Gauss's law, but I've been thinking about the shape of the gaussian surface and I'm not sure about how it should look or where I should place it. Any help would be useful, especially in terms of ideas.

Thank you.

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