To get an idea of the size of magnetic fields at the atomic level, consider the magnitude of the magnetic field due to the electron in the simple Bohr model of the hydrogen atom. In the ground state...

To get an idea of the size of magnetic fields at the atomic level, consider the magnitude of the magnetic field due to the

electron in the simple Bohr model of the hydrogen atom. In the ground state the Bohr model predicts that the electron speed

would be 2.2 × 106 m/s, and the distance from the proton would be 0.5 × 10−10 m. What is B at the location of the proton?