{{ /helmholtz_coil_magnet_withdrawal_magnetica.png?500 }} Measuring [[/magnetic moment]] of a [[/permanent magnet]] by the withdrawal method. The [[/Helmholtz coil]] is used as the [[/search coil]]. helmholtz_coil_magnet_withdrawal_magnetica.png {{page>insert/file-sz-cc}} {{tag> Helmholtz_coil Magnetic_moment_measurement Measurement_of_magnetisation Measurement_of_magnetic_polarisation Permanent_magnets Withdrawal_method Ballistic_method Files}}