P. 4453. The density of the energy of the electric field inside a straight cylinder shaped metal rod is constant, its magnitude is J/m3; the density of the energy of the magnetic field inside the rod at a distance of r=2 cm from the symmetry axis of the rod is J/m3.
a) What is the resistivity of the material of the rod?
b) What kind of metal was the rod made of?
Deadline expired on 11 June 2012.