(a) Assume the spatial distribution of the current on a very thin center-fed half­-wave di...

(a) Assume the spatial distribution of the current on a very thin center-fed half­-wave dipole lying along the z-axis to be I0 cos βz, where β = ω/c — 2π/λ. Find the charge distribution on the dipole,

---

(b) Repeat part (a), assuming the current distribution along the dipole to be a triangular function described by