In a region of space, the electric field is given by E→=8i^+4j^+3k^. The electric flux through a surface of area of 100 units in x-y plane is

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Correct answer: (B) 300 units. Here, E→=8i^+4j^+3k^ S→=100k^ (direction of the area is perpendicular to x-y plane) ϕ=E→&sdot; S→=8i^+4j^+3k^ ⋅100k^ = 300 units

In a region of space, the electric field is given by $\vec{E} = 8 \hat{i} + 4 \hat{j} + 3 \hat{k} .$ The electric flux through a surface of area of 100 units in $x$ - $y$ plane is

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