The magnitude j of the current density in a certain wire

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Reference no: EM13627695

The magnitude J of the current density in a certain wire with a circular cross section of radius R = 2.50 mm is given by J = (3.00 x 10⁸)r², with J in amperes per square meter and radial distance r in meters. What is the current through the outer section bounded by r = 0.670R and r = R?

Reference no: EM13627695

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