A long straight co-axial cable lying along the z-axis is carrying current 1 [A] in the inner conductor and current –I[A] in the outer conductor. The cross section of the cable with all dimensions is...

Extracted text: A long straight co-axial cable lying along the z-axis is carrying current 1 [A] in the inner conductor and current –I[A] in the outer conductor. The cross section of the cable with all dimensions is shown in Fig. 3 (c). Find the magnetic field H as a function of distance from the center, r of the following: i. 0srsa ii. asrsb b, iii. bsrsc 1 [A] iv. r2c Fig. 3 (c) I [4]