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Learn about the electric field, a physical field that surrounds electrically charged particles and exerts forces on them. Find out how to visualize, calculate and apply the electric field in electrostatics and electrodynamics.
Learn what an electric field is, how to calculate it using Coulomb's law and Gauss's law, and how to find the work done by an electric field. Explore the types, properties and examples of electric fields with diagrams and formulas.
Learn how to define and calculate the electric field of a collection of source charges, and how to use it to find the force on any test charge. Explore the properties and analogy of the electric field with the gravitational field.
An electric field is generated by electric charge and tells us the force per unit charge at all locations in space around a charge distribution. The charge distribution could be a single point charge; a distribution of charge over, say, a flat plate; or a more complex distribution of charge.
Learn about the electric field, an electric property associated with each point in space when charge is present. Find out how the electric field is defined, measured, and affected by different sources and media.
An electric field is a region of space around an electrically charged particle or object in which an electric charge would feel force. Learn how to calculate the electric field using Coulomb's law and an example of two point charges.
Learn what is an electric field, how to find it using Gauss's law, and its SI unit volt per metre (V/m). Explore examples of electric fields due to point charges, line charges, rings, and continuous charge distributions.
Learn about the electric field as a vector field, field lines, and the electric field strength. Find out the units and formulas for electric field in different situations, such as point charges, continuous charge distributions, and dielectric materials.
Learn about the electric force, which acts on all objects with a property called charge, and how to calculate the electric field of charge distributions. Explore the concepts of electric charge, conductors, insulators, Coulomb's law, electric field lines, and electric dipoles.
Example \(\PageIndex{1}\) Shown below are equidistant locations marked A-E separated by distance \(d=1m\). The following four charges, 1C, -1C, 2C, and -2C, are placed at locations A, B, D, and E (not necessarily in this order) such that the magnitude of the electric field at location C is maximized and points to the left.