Chapter 29, Problem 043 The figure shows a cross section across a long cylindrical conductor of radius a = 1.99 cm carrying uniform current 70.2 A. What is the magnitude of the current's magnetic field at radial distance (a) 0, (b) 1.17 cm, (c) 1.99 cm (wire's surface), (d)2.87 cm?
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43 see photo
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