engineering physics MCQ #5231

A ferromagnetic material has a saturation magnetization of 10^6 A/m. What is the magnetic moment per atom if the lattice constant is 2 Å?

engineering physics MCQ #5231

  1. Question 1

    Q1. A ferromagnetic material has a saturation magnetization of 10^6 A/m. What is the magnetic moment per atom if the lattice constant is 2 Å?

    • A) 1.6 * 10^(-23) Am²
    • B) 3.2 * 10^(-23) Am²
    • C) 2 * 10^(-23) Am²
    • D) 4 * 10^(-23) Am²

    Answer: 1.6 * 10^(-23) Am²

    Explanation: For a simple cubic lattice, the number of atoms per unit volume is 1/a³. Using M_s = n * μ, we can find μ.