Consider a thin long conducting wire and a coaxial long conductingcylindrical shell with inner radius a=0.02 mm and outer radiusb=0.04 mm. Currents flow in opposite directions with the samemagnitude /=2,6 A. The cylindrical shell has a uniform currentdensity. The cross-section view is shown in the figure below.Take po = 4 x 10 7Tm/A, π = 3.b) Find the magnitude of the magnetic field at a perpendiculardistance r=0.03 mm from the thin inner wire, in militesla (mT).-IO+IbaSearch1Uyc

We will use Ampere's law to find the answer. The detailed steps are as follows.

Answered: Consider a thin long conducting wire…

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