taterbuglee2003 taterbuglee2003

10-03-2020
Physics

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an electrically charged particle with mass m, velocity v, and charge q moves in a circle in magnetic field b. what is the formula for the radius of circle r?

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opudodennis opudodennis

18-03-2020

Answer:

[tex]r=\frac {mv}{qb}[/tex]

Explanation:

In this case, since the charged particle moves in circular motion, the centripetal force is equivalent to the magnetic force.

[tex]\frac {mv^{2}}{r}=qvb\\\frac {mv}{r}=qb\\r=\frac {mv}{qb}[/tex]

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