A function is a term used in mathematics and logic to denote a relationship between input and output variables. Each variable is restricted to binary (0, 1) values The relationship is the complex of three primitive functions (And \\Not\\Or)
Forces on a Wire Carrying a Currentin a Magnetic Field Magnetic Pressure Magnetic Energy Denisity Magnetic Forces btwn Two ElectricCurrents Magnetic Forces Within an IsolatedCircuit
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