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2. Fluxgate compass - Wikipedia

   en.wikipedia.org/wiki/Fluxgate_compass

   It can also be used to correct for the roll- and heel-induced errors that often plague fluxgate compasses installed on steel vessels. The fluxgate magnetometer was invented by German physicist Friedrich Förster in 1937, [2] the fluxgate compass was invented by the Eclipse-Pioneer Division of Bendix in 1943. [3]

3. Earth inductor compass - Wikipedia

   en.wikipedia.org/wiki/Earth_inductor_compass

   The anemometer of the earth inductor compass on the Spirit of St. Louis shows as a small "T" shape above the fuselage behind the wing. The Earth inductor compass (or simply induction compass [1]) is a compass that determines directions using the principle of electromagnetic induction, with the Earth's magnetic field acting as the induction field for an electric generator. [2]

4. Explosive-driven ferromagnetic generator - Wikipedia

   en.wikipedia.org/wiki/Explosive-driven...

   An explosive-driven ferromagnetic generator (EDFMG, explosively pumped ferromagnetic generator, EPFMG, or FMG) is a compact pulsed power generator, a device used for generation of short high-voltage high-current pulse by releasing energy stored in a permanent magnet. It is suited for delivering high-current pulses (kiloamperes) to low-impedance ...

5. Excitation (magnetic) - Wikipedia

   en.wikipedia.org/wiki/Excitation_(magnetic)

   Except for permanent magnet generators, a generator produces output voltage proportional to the magnetic flux, which is the sum of flux from the magnetization of the structure and the flux proportional to the field produced by the excitation current. If there is no excitation current the flux is tiny and the armature voltage is almost nil.

6. Compass - Wikipedia

   en.wikipedia.org/wiki/Compass

   Exposure to strong magnets, or magnetic interference can sometimes cause the magnetic poles of the compass needle to differ or even reverse. Avoid iron rich deposits when using a compass, for example, certain rocks which contain magnetic minerals, like Magnetite. This is often indicated by a rock with a surface which is dark and has a metallic ...

7. Field coil - Wikipedia

   en.wikipedia.org/wiki/Field_coil

   A field coil is an electromagnet used to generate a magnetic field in an electro-magnetic machine, typically a rotating electrical machine such as a motor or generator. It consists of a coil of wire through which the field current flows. In a rotating machine, the field coils are wound on an iron magnetic core which

8. “General Hospital” Kills Off Fan-Favorite Character in ...

   www.aol.com/lifestyle/general-hospital-kills-off...

   General Hospital just bid goodbye to a major character.. During the Friday, Dec. 13 episode, fan-favorite Dex Heller, played by Evan Hofer, met his demise. Dex had been expected to make a full ...

9. Permanent magnet synchronous generator - Wikipedia

   en.wikipedia.org/wiki/Permanent_magnet...

   A permanent magnet synchronous generator is a generator where the excitation field is provided by a permanent magnet instead of a coil. The term synchronous refers here to the fact that the rotor and magnetic field rotate with the same speed, because the magnetic field is generated through a shaft-mounted permanent magnet mechanism, and current is induced into the stationary armature.