Why are electromagnets used?Why does the length of current loop affect the magnetic force?Why must soft iron be used with an electromagnet?Suppose that a (small) charged conductor is connected to the ground. Explain why the conductor becomes uncharged.Why are magnetic field lines closed curves?
Why are electromagnets used? Why are ocean currents important? Why is the Prime Meridian important? Why is cosmology important? Why is the Coriolis force stronger at the poles? Why do magnets lose their magnetism? Why is stratigraphy important?
Specimens are cut into extremely thin sections, and the transmission electron microscope aims an electron beam through a section, just as a light microscope aims a beam of light through a specimen. However, instead of lenses made of glass, the transmission electron microscope uses electromagnets as...
something they are very reluctant to do. It’s not that nuclear fusion is not well understood. Quite the opposite. Practical nuclear fusion is an engineering problem. The primary issue is that the temperature of the high-energy plasma formed to force those reluctant nuclei together is hot, dam...
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"For steel we used electromagnets to pick up the parts," Blosser says. "That obviously wouldn't work with aluminum because it's nonferrous, so we had to go to the vacuum system." I walk around to the output end of the press, where F-150 fenders are dropping onto the conveyor belt ...
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b) Electromagnets are weaker than permanent magnets. c) A magnet always has a north pole and may or may not also have a south pole. d) A permanent magnet can be turned off.Explore our homework questions and answers library Search Browse Browse by subject Ask a Homework Question Tu...
Why are stromatolites considered trace fossils? Why are physical maps important? Why are electromagnets used? Why do you analyze ELISA samples in triplicate? Why do seismometer oscillate back and forth? Why does a protoplanetary disk flatten? Why do scientists need a standard system of measurement...
Why is calibration important in analytical chemistry? Why is methyl orange not a suitable indicator for titration? How does paper chromatography work? Why is ammonia a base? Why are electromagnets used? Why is hexane known as a hydrocarbon? Why is the promoters on the noncoding strand? Why is...