# Question: a An infinitely long solid conductor of radius a

(a) An infinitely long solid conductor of radius a is placed along the z-axis. If the conductor carries current I in the + z direction, show that

within the conductor. Find the corresponding current density,

(b) If I = 3 A and a = 2 cm in part (a), find H at (0, 1 cm, 0) and (0, 4 cm, 0).

within the conductor. Find the corresponding current density,

(b) If I = 3 A and a = 2 cm in part (a), find H at (0, 1 cm, 0) and (0, 4 cm, 0).

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