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## Homework Statement

A point charge q is situated a distance d/2 above a square surface of side d as shown (see attached).

a) It cannot be determined

b) 2q/ε

_{0}d

c) q/4[itex]\pi[/itex]ε

_{0}

d) q/[itex]\pi[/itex]ε

_{0}d

^{2}

e) q/6ε

_{0}

## Homework Equations

[itex]\Phi[/itex]=q

_{enc}/ε

_{0}=[itex]\oint[/itex]E*dA

## The Attempt at a Solution

Shouldn't the answer be zero because whatever enters the area also leave the area? If not I know I should use the integral of E*dA but I don't know what E would be.

#### Attachments

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