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Consider a uniform electric field E = ...

Consider a uniform electric field `E = 3 xx 10^(3) hat(i)N//C`.
(ii) What is the flux through the same square if the normal to its plane makes `60^(@)` angle with the axis?

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`phi=ES cos theta=3 xx10^(3)xx[10xx10^(-2)]^(2)xx cos 60^(@)=3xx10^(3)xx10^(-2)xx ^(1)//_(2)=15 Nm^(2)//C`
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