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Introductory Physics Homework Help
Electric flux through cubical box
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[QUOTE="toothpaste666, post: 4993682, member: 507287"] [h2]Homework Statement [/h2] If the electric field is constant in direction (horizontal in the x direction) but its magnitude decreases from E1 to E2, determine the flux through a cubical box of side length L if four of the sides of the box are parallel to the field. [h2]Homework Equations[/h2] ∫EdA = flux [h2]The Attempt at a Solution[/h2] [itex] \int_0^L EdA = EA|_0^L = E_LA-E_0A = A(E_L-E_0) = L^2(E_L-E_0) [/itex] is this reasoning correct? [/QUOTE]
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Electric flux through cubical box
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