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
Ampere’s Circuital Law Example:Long Cylindrical Conductor Example:Toroidal Coil Example:Refraction of Lines of B at a Current Sheet Short Solenoid The Curl of B
Continuity Conditions at The Interface Potential Energy Forces on Conductors In The Presence Of Dielectrics Forces On Dielectrics Displacement Current Frequency and Temperature Dependence,Anisotropy