Electromagnetism 2004 Fall Reference K Electromagnetism principles and application by plorrain d corson
Electromagnetism 2004 Fall Reference: 《 Electromagnetism, principles and application》 by P.Lorrain & D.Corson
Chapter 1 Vectors Object: to describe the fieds generated by electric charges and currents a Mathematical tools a field is a function describing a quantity at all points in space
Chapter 1 Vectors ◼ Object: to describe the fieds generated by electric charges and currents ◼ Mathematical Tools: A field is a function describing a quantity at all points in space
Several kinds scalar fields vector fields tensor fields a scalar fields: a single number is given for each point in space Well known to us Example: temperature, pressure electric potential, etc
Several kinds : scalar fields, vector fields, tensor fields ◼ scalar fields: a single number is given for each point in space ---- well known to us. Example: temperature, pressure, electric potential, etc
Tensor are necessary to unify electric and magnetic fields; to describe the gravitational fields in Einstein's Theory of general relativity i to deal with strain and stress in solids etc
Tensor are necessary : to unify electric and magnetic fields; to describe the gravitational fields in Einstein’s Theory of General Relativity; to deal with strain and stress in solids, etc
We focus on vector fields a Vector fields both a number and a direction at all point in space Examples: electric fields, magnetic fields current fields of fluid etc
We focus on vector fields ◼ Vector fields: both a number and a direction at all point in space. Examples: electric fields, magnetic fields, current fields of fluid, etc