Magnetic lines of force are no different than the force of a post holding a roof up. If it doesn't move it doesn't perform work or have power. PM motors #1 don't waste electricity making magnetic lines of force by pushing electricity through windings. #2 PM motors have a shorter current path which lowers the internal resistance. Less resistance = more current which equals more power if the voltage stays the same. Reading posts of this nature makes me wonder how students pass tests and exams in school on the most basic questions in physics? And, what are they teaching in school?
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Today's Featured Article - A Brief History of Tractors in Australia - by Bob Kavanagh. After Captain Cook's exploration of the east coast in 1770 the British Government decided to establish a penal colony in Australia. The first fleet arrived in 1788 and consisted mainly of convicts who were poorly equipped and new little of farming techniques. The colony remained far from self-supporting and it was not until the early 1800's that things started to improve. Free settlers started to arrive, they followed the explorers across the mountains and where land was suitable set up farms. T
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