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On Dec. 28, the United States Consumer Product Safety Commission announced a recall of more than 4,200 magnetic ball sets, sold exclusively on Walmart.com through Joybuy. The CPSC warned that the ...
The magnetic field of larger magnets can be obtained by modeling them as a collection of a large number of small magnets called dipoles each having their own m. The magnetic field produced by the magnet then is the net magnetic field of these dipoles; any net force on the magnet is a result of adding up the forces on the individual dipoles.
A MEMS magnetic field sensor is a small-scale microelectromechanical systems (MEMS) device for detecting and measuring magnetic fields (magnetometer). Many of these operate by detecting effects of the Lorentz force : a change in voltage or resonant frequency may be measured electronically, or a mechanical displacement may be measured optically.
The demagnetizing field, also called the stray field (outside the magnet), is the magnetic field (H-field) [1] generated by the magnetization in a magnet.The total magnetic field in a region containing magnets is the sum of the demagnetizing fields of the magnets and the magnetic field due to any free currents or displacement currents.
A federal agency on Friday recalled toys sold at Walmart.com containing powerful magnetic balls that could pose a hazard to children if swallowed. The Consumer Product Safety Commission said the ...
The magnetic field is the heart of the magnetic level gauge – the stronger the field, the more reliable the instrument will function. Some manufacturers rely on a single magnet for their magnetic level gauges which causes the strength of the north field to be identical to, and as weak as, the south field. It is apparent that at the location ...
Galanz Mini Fridge. Walmart’s new arrivals include a 1.7-cubic-foot single-door mini fridge from Galanz.Standing less than 2 feet tall, it’s perfect for garages, basements, man caves or ...
An Electromagnetic Log, sometimes called an "EM log", is an electronic sensor which measures the speed of a vessel through sea water.Like many other technologies, its name derives from the traditional chip log.
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