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Unformatted text preview: Matt Weiner Phys. 241 Lab Lab Partner: Phillip Hoffman 9/4/06 Electrostatics and the Electric Field Goal: To provide some experience with the fundamental concept of an electric field and some of its characteristics. Theory: This lab discusses the idea of fields. A field describes a vector, a number, or a tensor. The field can be one dimensional, a two dimensional surface, or even a three dimensional volume. Physicist use the term field to mean a situation in which a vector (length and direction) associated with every point in normal thee-dimensional space. Also the field usually consists of vectors whose magnitude is the force on a unit of something. Examples include; the force per unit of mass, or the force per unit of electrical charge. The magnitude of the force is given by: 2 2 9 2 2 1 / 10 9 . 8 ~ 4 1 4 1 C Nm x r r r q q F = (1) The term r r is a vector of length 1 in the direction from q 1 to q 2 . The electric field from a single point charge, q 1 , is given by: r r r q E 2 1 4 1...
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- Spring '08