Mobile charge and Magnetic Field

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Moving charge enters magnetic field ehibit the following behavior below

 

For positive electric charge

 

For negtive electric charge

 

In general form

 

Lorentz force

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The electromagnetic force F on a test charge at a given point and time is a certain function of its charge q and velocity v, which can be parameterized by exactly two vectors E and B, in the functional form:
 

Where

  . Lorentz force
  . Electric charge
  . Electric Field
  . Magnetic Field
  . Speed

Reference

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