🧲 Magnetism

🌀Coil Inductance Calculator Calculate the inductance of a long coil (solenoid), free online. ⚛️Cyclotron Radius Calculator Calculate the orbit radius and frequency of a charged particle in a magnetic field, free online. 🔥Eddy Current Loss in Laminations Calculator Estimate eddy-current power loss in a transformer or motor core from lamination thickness, frequency and flux density, free online. 🧲Electromagnet Pull Force Calculator Estimate the lifting force of an electromagnet from the flux density at the pole faces, free online. 🔋Energy Stored in an Inductor Calculator Calculate the energy stored in an inductor from inductance and current, free online. ➡️Force on a Current-Carrying Wire Calculator Calculate the magnetic force on a straight current-carrying wire in a uniform magnetic field, free online. 🧲Hall Effect Calculator Calculate the Hall voltage across a current-carrying conductor in a magnetic field, free online. ⚡Induced EMF (Faraday's Law) Calculator Calculate the EMF induced by a changing magnetic flux using Faraday's law, free online. 🩻Larmor Frequency (NMR / MRI) Calculator Calculate the Larmor (resonance) frequency of hydrogen and other nuclei in a magnetic field, as used in MRI and NMR, free online. 🌀Magnetic Circuit (Flux & Flux Density) Calculator Find the flux and flux density in a magnetic core from the coil turns, current and reluctance, free online. 🔄Magnetic Dipole Moment of a Coil Calculator Calculate the magnetic moment of a current loop or coil and its on-axis field at a distance, free online. 🔋Magnetic Energy Density Calculator Calculate the energy stored per unit volume in a magnetic field, free online. ➰Magnetic Field of a Wire Calculator Calculate the magnetic field at a distance from a long straight current-carrying wire, free online. 🔲Magnetic Flux Calculator Calculate magnetic flux through a surface from field strength, area and angle, free online. 🧿Magnetic Flux Density (B from H) Calculator Calculate magnetic flux density from field strength and relative permeability, free online. 🧲Magnetic Force on a Moving Charge Calculator Calculate the magnetic force on a moving charge in a magnetic field, free online. 🧲Magnetic Reluctance Calculator Calculate the reluctance of a magnetic path from its length, area and relative permeability, free online. 🔗Mutual Inductance Calculator Calculate the mutual inductance between two coils, free online. 〰️Skin Depth Calculator Calculate the skin depth of a conductor at a given frequency — how deep high-frequency current penetrates — free online. 🌀Solenoid Magnetic Field Calculator Calculate the magnetic field inside a solenoid from turns, length and current, free online. ⚙️Torque on a Current Coil (Motor) Calculator Calculate the torque on a current-carrying coil in a magnetic field, as in a DC motor or galvanometer, free online.