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 the concept of an: "Electric Field Due to a Point Charge in Physics." Students will learn what a point charge is, the concept of the electric field, and why it's important. Grades 9-College. 45 minutes on DVD.