Magnetic Field Force on Parallel Moving Charges

  • Thread starter lizdrotos
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  • #1
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Main Question or Discussion Point

Why don't magnetic fields not force to charges/currents that are moving parallel to the field?

Does it have something to do with the orientation of the field created by the moving charge in relation to the field it is in?

I know the answer of this question may not be clear yet, but are there any theories?
 

Answers and Replies

  • #2
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You use a double negative in the first part of your sentence that is confusing (do not and not), but I think I understand your question.

Magnetic fields transfer energy to objects by variation of the field strength. If the sensing element (say a charged particle) moves parallel to the field it, by definition of parallel, will not experience any change in the intensity of the magnetic field. No variation, no transfer of energy.

Ok you guys out there; did I get that right?
 

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