Help needed in understanding change in flux

[maika]

Hi guys,

I would like some help understanding how flux works. I think I am missing some basic knowledge hence I am unable to answer my homework question.

How would the flux change be calculated at the radiation belt of the earth? I am doing this for a low level electron (80keV) and therefore i know that the factor that would driving it the most is the velocity of the electron at that point.

I know that to calculate the flux the equation is mag flux = B*A where A is the area. But in this scenario, what would the area be equal to? Also, am i right in thinking that the magnetic field is constant in this case?

Thank you for your help!

 

[gtoguy97]

The flux change at the radiation belt of the Earth is determined by the magnetic field strength and the particle's velocity. The area of the radiation belt will depend on its particular location in space, however the magnetic field itself should be constant. To calculate the flux, you can use the equation you mentioned, mag flux = B*A, where B is the magnetic field strength and A is the area of the radiation belt. The particle's velocity should also be taken into account, as it will affect the flux. Hope this helps!