A toroid with inner diameter of 3 cm, outer diameter of 5 cm,and height of 0.1 cm is made of a body-centered-cubic (bcc)paramagnetic material with lattice parameter equal to 0.5 nm. Thetoroid is wrapped by a copper wire in 20 turns. If each atom of themagnetic material has a magnetic moment of 1.5µB (Bohr Magneton),(a) (1.5 pt) What is the saturation magnetization (in A/m) of thematerial? (b) (1.5 pt) If a current of 2 A is flowing in thewinding, what are the magnetic fields (in A/m) in the toroid alongits outer and inner diameter, respectively? (c) (1.5 pt) What isthe magnetic susceptibility of the material if the inner diameterregion begins to saturate at 2 A? (d) (1.5 pt) What is the magneticflux density (in Tesla) along the outer diameter when the innerdiameter is saturated at 2 A as in (c)?
