Orbiting a charged planet.

  • Thread starter cragar
  • Start date
  • #1
cragar
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If I am orbiting a charged planet that is like being in free-fall around the planet.
So would I see a B field in my frame? Is me orbiting the planet the same as me floating in space and have the planet rotate.
 

Answers and Replies

  • #2
36,026
12,925
You would see a magnetic field. If you are charged as well, it would give an additional force downwards/upwards (depending on the charges).
If the charge is distributed on the surface (or the whole volume), a rotating planet would give a magnetic field, too - it would look different, but its shape really depends on the system where the field is calculated.
 
  • #3
Naty1
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So would I see a B field in my frame? Is me orbiting the planet the same as me floating in space and have the planet rotate.

yes;no
 
  • #4
cragar
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What if I was orbiting inside a spherical shell with charge on it, would I see a B field then?
The E field would be zero inside the charged shell.
 
  • #5
Naty1
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What if I was orbiting inside a spherical shell with charge on it, would I see a B field then?
The E field would be zero inside the charged shell.

as would the magnetic field...assuming the charge is uniformly distributed....
 
  • #6
cragar
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B field inside a spinning charged sphere is constant and positive
 

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