What is the chance of a light car safely rounding an unbanked curve on an icy road as compared to that of a heavy car: worse, the same, or better? Assume that both cars have the same speed and are equipped with identical tires.
Lecture 15 2 How to produce B-field • Changing E-field • Electric currents • flowing electrons • nuclear and electron spins and orbital motion Magnetism in a materials ▪ Paramagnetic materials (amplify the external B-field) ▪ Diamagnetic (decrease the external B-field) ▪ Ferromagnetic (amplify, remain) ▪ Strongly interacting atoms & electrons ▪ Quantum & classical effects March 2, 2015 54 Magnetization • Electrons and ions have magnetic moments • No B-field: randomly oriented B Magnetization Paramagentic B Diamagnetic Magnetization Ferromagenic