Definition:Flux/Illustration

Flux: Illustration

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As can be seen, more flux passes through $\delta S$ when it is positioned perpendicular to the direction of $\mathbf v$, as in the diagram on the left, than when not, as in the diagram on the right.

Sources

• 1990: I.S. Grant and W.R. Phillips: Electromagnetism (2nd ed.) ... (previous) ... (next): Chapter $1$: Force and energy in electrostatics: $1.4$ Gauss's Law: $1.4.1$ The flux of a vector field