General Knowledge Quiz for Sunday, 5 January 2020

A new general knowledge quiz is available every day. Try today's quiz or work through our archive of daily and themed quizzes.

Question 1: Who formulated the "Law" that, in a paramagnetic material, the magnetization of the material is (approximately) directly proportional to an applied magnetic field, but if the material is heated, the magnetization is (approximately) inversely proportional to temperature?