6.2 - Electric Fields

Definitions and Core Info 
 An electric field is a region around a body in which other charged bodies will feel a force. The direction of the field is the direction of the force experienced by a positive test charge. 
 
 ... where F is the size of the electrical force, Q is the size of the charge, epsilon 0 is the permittivity of free space, and r is the distance between the charged point and any point in the field. 
 Electric Field Lines 
 Radial field vs uniform field 1 : 
 
 The spacing between field lines represents the strength of the field. 
 The field between different types of charged surface 1 : 
 
 The neutral point is between two like-charged particles, showing where no electric force is experienced. 
 Coulomb's Law 
 
 ... where Q and q are the charges of two charged points, epsilon 0 is the permittivity of free space, and r is the shortest distance between these charged points.