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2. Permanent magnet motor - Wikipedia

   en.wikipedia.org/wiki/Permanent_magnet_motor

   Permanent magnet motors consist of two main types. Surface permanent magnet motors (SPM) and internal permanent magnet (IPM) motors. The main difference is that SPM motors place the magnets on the outside of the rotor while IPM motors place their magnets inside the motor. Benefits to internal magnets include structural integrity and reducing ...

3. Electropermanent magnet - Wikipedia

   en.wikipedia.org/wiki/Electropermanent_magnet

   An electropermanent magnet or EPM is a type of permanent magnet in which the external magnetic field can be switched on or off by a pulse of electric current in a wire winding around part of the magnet. The magnet consists of two sections, one of "hard" (high coercivity) magnetic material and one of "soft" (low coercivity) material. The ...

4. Permeability (electromagnetism) - Wikipedia

   en.wikipedia.org/wiki/Permeability...

   For example, 4% electrical steel has an initial relative permeability (at or near 0 T) of 2,000 and a maximum of 38,000 at T = 1 [5] [6] and different range of values at different percent of Si and manufacturing process, and, indeed, the relative permeability of any material at a sufficiently high field strength trends toward 1 (at magnetic ...

5. Michigan Court declines to hear appeal of ex-officer charged ...

   www.aol.com/michigan-court-declines-hear-appeal...

   The Michigan Supreme Court declined to hear an appeal Monday from a former police officer who is charged with killing a 26-year-old Black man during a traffic stop. Christopher Schurr was fired ...

6. Musk's SpaceX preparing to launch tender offer in Dec at $135 ...

   www.aol.com/news/musks-spacex-preparing-launch...

   (Reuters) -Elon Musk's SpaceX is preparing to launch a tender offer in December to sell existing shares at a price of $135 per share, two sources familiar with the matter said. The tender offer ...

7. 60 Christmas Side Dishes to Pair With Your Traditional ...

   www.aol.com/60-christmas-side-dishes-pair...

   The cozy slippers that are 'just like UGGs but at a great price' are down to $24. AOL. 25 hostess gifts from Walmart are way better than a bottle of wine. See all deals. In Other News.

8. 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.

9. Magnetic flow meter - Wikipedia

   en.wikipedia.org/wiki/Magnetic_flow_meter

   The magnetic flow meter requires a conducting fluid, for example, water that contains ions, and an electrical insulating pipe surface, for example, a rubber-lined steel tube. If the magnetic field direction were constant, electrochemical and other effects at the electrodes would make the potential difference difficult to distinguish from the ...