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Introducing Flux

If E⃗ =3 i ...

Question

If $\to E = 3 ˆ i + 4 ˆ j - 5 ˆ k$ calculate the electric flux through the surface of area $50$ units in $z - x$ plane.

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Solution

$\to E = 3 ˆ i + 4 ˆ j + 5 ˆ k$
Area is $50 J$
$ϕ = \to E . \to A$
$= (3 ˆ i + 4 ˆ j - 5 ˆ k) .50 ˆ j$
$= 100$ units.

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