- #1

jackxxny

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## Homework Statement

I have the following information about the problem.

i have the speed of an electron = v

the diameter of a circular path = d

the length of a solenoid = x

the current that the solenoid carried = I

I need to find the number of turns in the solenoid.

## Homework Equations

i used the following equations

QvB=v

^{2}m/r

B=[tex]\mu[/tex]NI/l

## The Attempt at a Solution

then i put "B" in the first equation and i solve for N. Is that correct?

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