When a magnetic field causes a charged particle to move in a circular path, the only quantity listed below which the magnetic force changes significantly as the particle goes around in a circle is the particle's:

a. energy.
b. momentum.
c. radius for the circle.
d. time to go around the circle once.


b

Physics & Space Science

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A positively charged particle has a velocity in the negative z direction at point P. The magnetic force on the particle at this point is in the negative y direction. Which one of the following statements about the magnetic field at point P can be determined from this data?

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Remanent magnetism refers to the magnetism of rocks that contain the mineral named ______________

Fill in the blank(s) with correct word

Physics & Space Science