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

Question

In a region of space, the electric field is given by E → = 8 i ^ + 4 j ^ + 3 k ^ . The electric flux through a surface of area of 100 units in x - y plane is, 800 units, 300 units, 400 units, 1500 units

MARKS App · Accepted Answer

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

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