SOLVED: what do you think pipes and tubes have a circular cross section?

A cylindrical conductor with a circular cross section has a radius a and a resistivity ρand carries a constant current I . (a) What are the magnitude and direction of the electric-field vector E⃗ at a point just inside the wire at a distance a from the axis? (b) What are the magnitude and direction of the magnetic-field vector B⃗ at the same point? (c) What are the magnitude and direction of the Poynting vector S⃗ at the same point? (The direction of S⃗ is the direction in which electromagnetic

A solid conductor of circular cross section. If the radius a = ... | Filo