1) Maxwell Equation

Description:  is the electric field intensity,  is the magnetic field intensity,  is the vector of the electric induction intensity,  is the vector of the magnetic induction intensity,  is the vector of the current density, and ρis the volume charge density.

 

2） Lorentz Force

 

Description: f is Lorentz Force, q is the electric quantity of a charged particle,  is the velocity vector of a charged particle moving through a magnetic field, and  is the vector of magnetic induction intensity.

 

3） Biot-Savart Law

 

 Description:  is the magnetic field intensity, I is the current, L is the loop integral path,      is the line differential,  is the unit vector, r is the vector that the distance r from the current source I to the magnetic field.

 

4) Faraday’s Law of Electromagnetic Induction

 Description: U is the induced electromotive force (V), n is the number of turns of induction coil, and  is the rate of change of magnetic flux.

 

 5) Ampere Force

Description:  is the vector of magnetic induction intensity,  is the vector of ampere force, I is the current intensity, and  is the length vector along the current wire.