The Physics 3 Tutor (Electricity & Magnetism): Learning By Example DVD Series teaches students about physics through example problems that progressively grow more difficult. Emphasis is placed on giving students confidence in their skills by gradual repetition so that the skills learned are committed to long term memory. This episode covers Gauss' Law, including hat Gauss' Law is, the theory behind it, and why it's important. This is the 2nd out of 3 DVDs on this topic. Grades 9-College. 38 minutes on DVD.