Labels:amusement park | apron | crt screen | lamp | plant | scissors | seat | sky | stage | stairs | tree | windowpane OCR: YN MO generator OT electrical or magnetic field Magnetic dynamos are believed to be the source of magnetic fields in the Earth pue other planets with metallic cores The hypothesis that a metal or meta llic hydrogen moves interior of planet by convection. ua magnetic field already exists (even if it very small) the motion of the metal causes electrical currents These currents create further magnetic fields, which allow more currents pue so on. this feedback loop can build very small magnetic fielc into field DYNAMD fhese large fiela
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