ANSWERS: 1
  • It’s a bit complicated but I’ll try and explain, EVERY atom has a nuclear magnetization. its cused by the spining of the electrons (negitive) around the nucli (manly positive). the MRI uses USUALLY the hydrogen atoms in water in the body. Now this is where the electro magnet comes in; the MRI uses a powerful electromagnetic field to align theses nuclear magnetizations. now, the machine uses Radiofrequency to almost “shake” the aligned nuclear magnetization, and just like when you pass a magnet through a coile the movment or vibrations produce a tiny magnetic field in each atom that the scanner can detect and from that creates an image. Phibins (Mech. Engineer)

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