Current I flows along the positive z-direction in the inner conductor of a long coaxial cable and returns through the outer conductor. The inner conductor has radius a, and the inner and outer radii of the outer conductor are b and c, respectively. Determine the magnetic field in each of the following regions: 0 c. Metal Conductor Dielectric

Current I flows along the positive z-direction in the inner conductor of a long coaxial cable and returns through the outer conductor. The inner conductor has radius a, and the inner and outer radii of the outer conductor are b and c, respectively. Determine the magnetic field in each of the following regions: 0 c. Metal Conductor Dielectric