Question

Another answer I got was 62.78 Amps but that is also incorrect.

4. 0/1 pointsI Previous Answers OSUniPhys1 26.2.P031 My Notes Ask Your Teacher Consider a wire of a circular cross-section with a radius of R-3.38 mm. The magnitude of the current density is modeled as J-cr2 = 7.00 × 106 A/m4戸. what is the current (in A) through the inner section of the wire from the center to r 0.5R? 1.43e-4 X A Additional Materials eBook

Answer 1

"J = I/A phi J^- . da^- = integral^_0 integral^a_0 cr^2 = c r^4/4