- A small coil which is inserted into a magnetic field to measure its field strength, or any variations in it. Such a coil is connected to an indicating instrument, such as a ballistic galvanometer or a fluxmeter, and may or may not incorporate an amplifier. A pickup coil may also be utilized to examine the magnetic flux distribution of a magnetic field. Also spelled pick-up coil. Also called probe coil, search coil, flip coil, magnetic test coil, or magnetic probe.
- synonymprobe coil