Moving observer can see what?

  • Thread starter crx
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  • #1
crx
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Can anybody provide me with a link to a REAL life experiment (a credible source, and not a thought experiment. ) when a moving observer relative to an electric charge can see a magnetic field? I'm thinking to a sensor that is spinning around an electrically charged sphere or disc...if in REAL life will see or not an magnetic field?
I'm asking because i learned of an similar experiment where the Hall effect sensor did not measured any magnetic field while spinning around a stationary charged disc, but the website wasn't too convincing... Thanks!
 

Answers and Replies

  • #2
DaveC426913
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Do you mean measure a magnetic field? Or literally see a magnetic field?
 
  • #3
If you agree that electric current is due to charges in motion, then all you need is some wire, a battery, and a compass and you can see for yourself that moving charges produce magnetic fields.
 
  • #4
crx
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Do you mean measure a magnetic field? Or literally see a magnetic field?
Sense the presence of a magnetic field, ("see" and measure the Lorentz force upon a test charge). So, is there a magnetic field "observed" from a moving observer point of view that is moving around an electrically charged body that is considered stationary to the, lets say, laboratory (where the experiment its made...) reference frame, or what, you know what i mean...? Is there any credible experience done in this matter?
 
  • #5
crx
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If you agree that electric current is due to charges in motion, then all you need is some wire, a battery, and a compass and you can see for yourself that moving charges produce magnetic fields.

...but what if we have different results if the charge is considered stationary (in the local frame)?
 
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