Question: Figure shows a portion of an infinitely long, concentric cable in cross section. The inner conductor carries a charge of 6 nC/m; the outer conductor

Figure shows a portion of an infinitely long, concentric cable in cross section. The inner conductor carries a charge of 6 nC/m; the outer conductor is uncharged.

(a) Find the electric field for all values of r, where r is the distance from the axis of the cylindrical system.

(b) What are the surface charge densities on the inside and the outside surfaces of the outerconductor?

9 = 6 nC/m 3 cm 13 cm 9 cm

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