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This relatively new branch of physics was first developed by Hannes Alfvén in a 1942 paper published in Nature titled Existence of Electromagnetic-Hydrodynamic Waves. [487] In 1950 Alfvén published a textbook titled Cosmical Electrodynamics which considered as the seminal work in the field of magnetohydrodynamics. [ 488 ]
Classical Electrodynamics is a textbook written by theoretical particle and nuclear physicist John David Jackson.The book originated as lecture notes that Jackson prepared for teaching graduate-level electromagnetism first at McGill University and then at the University of Illinois at Urbana-Champaign. [1]
Earnshaw's theorem states that a collection of point charges cannot be maintained in a stable stationary equilibrium configuration solely by the electrostatic interaction of the charges. This was first proven by British mathematician Samuel Earnshaw in 1842. It is usually cited in reference to magnetic fields, but was first applied to ...
The method of image charges (also known as the method of images and method of mirror charges) is a basic problem-solving tool in electrostatics.The name originates from the replacement of certain elements in the original layout with fictitious charges, which replicates the boundary conditions of the problem (see Dirichlet boundary conditions or Neumann boundary conditions).
Introduction to Electrodynamics is a textbook by physicist David J. Griffiths.Generally regarded as a standard undergraduate text on the subject, [1] it began as lecture notes that have been perfected over time. [2]
A cylindrical Gaussian surface is commonly used to calculate the electric charge of an infinitely long, straight, 'ideal' wire. A Gaussian surface is a closed surface in three-dimensional space through which the flux of a vector field is calculated; usually the gravitational field, electric field, or magnetic field. [1]
Polarizability usually refers to the tendency of matter, when subjected to an electric field, to acquire an electric dipole moment in proportion to that applied field. It is a property of particles with an electric charge.
According to Gauss’s law, a conductor at equilibrium carrying an applied current has no charge on its interior.Instead, the entirety of the charge of the conductor resides on the surface, and can be expressed by the equation: = where E is the electric field caused by the charge on the conductor and is the permittivity of the free space.