Magnetic Dipole Moment of a Coil
Calculate the magnetic moment of a current loop or coil and its on-axis field at a distance, free online.
Acerca de esta calculadora
A coil of N turns, current I and loop area A has dipole moment m = N·I·A (A·m²). Far on its axis (distance z ≫ radius) the field is B = μ₀·m ÷ (2π z³).