Ciro Santilli
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Hall effect | 🗖 nosplit | ↑ parent "Maxwell's equations" | 66

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The voltage changes perpendicular to the current when magnetic field is applied, Just watch this:
Video 45. Hall Sensor. Source.
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Applications:
  • the direction of the effect proves that electric currents in common electrical conductors are made up of negative charged particles
  • measure magnetic fields, TODO vs other methods
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Other more precise non-classical versions:
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