3. How much current flows through a squa
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Consider a wire running along the z-axis in a Cartesian coordinate system, where the current density is described by the function
J(rx) = c0 + c1rx
where c0 = 4.7 A/m2 and c1 = −3.1 A/m3. How much current flows through a square area bounded by the origin, 0.9 m on the x-axis, and 0.9 m on the y-axis?

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