![4. An infinitely long coaxial cable is made of a wire with radius of a 4mm in center and a cylindrical-shaped outer conductor with inner and outer radi b-10mm and c-14mm as depicted below. The current flowing through t inner conductor (the wire) is 2 mA and is uniformly distributed through the wire surface. Find the magnetic flux density B in the space between the two conductors (4mm <r<10 mm) [20 points]. a d Copper AC Sheath 4mm <re10 mm](https://media.cheggcdn.com/media%2F295%2F29549f1c-63f8-4187-8cef-a10aff2fc390%2FphpYJkGRW.png)
4. An infinitely long coaxial cable is made of a wire with radius of a 4mm in
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![4. An infinitely long coaxial cable is made of a wire with radius of a 4mm in center and a cylindrical-shaped outer conductor with inner and outer radi b-10mm and c-14mm as depicted below. The current flowing through t inner conductor (the wire) is 2 mA and is uniformly distributed through the wire surface. Find the magnetic flux density B in the space between the two conductors (4mm <r<10 mm) [20 points]. a d Copper AC Sheath 4mm <re10 mm](https://media.cheggcdn.com/media%2F295%2F29549f1c-63f8-4187-8cef-a10aff2fc390%2FphpYJkGRW.png)
4. An infinitely long coaxial cable is made of a wire with radius of a 4mm in
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