The Bohr model of an atom assumes that electrons orbit the nucleus, in a manner similar to how planets orbit a sun. Within a hydrogen atom, an electron orbits a proton at a speed of 2.2 x 106 m s-1 in a circular orbit of radius 5.3 x 1011 m.
a) What is the orbital period of the electron?
b) A moving charge constitutes a current. What is the current in this system? c) What is the magnetic field in the center of the atom?