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[Metroid]

I'm an AP Physics student here at my high school.
Currently I'm replicating the charge to mass ratio of an electron experiment as my final project (which was really just a bunch of hype, this was done nicely for me in a lab that my teacher gave me, I think we're just eating up as much time as we can until graduation).

Anyway, my teacher gave me three solenoids, one with a known number of loops and two without. He told me that it should be easy to figure out how many times they have been wrapped but I can't figure it out (I feel really stupid right now). I know that I can't just count it because we don't know how many times around the solenoid was wrapped either....

Because this isn't an actual part of my assignment, I came here to ask for some help...So yeah, anything would be appreciated, and thanks a lot!

[ed boy]

try to use the solenoids to make a transformer.

By finding the ratio of input voltate to output voltage, you should find the ratio of coils on the first to the second (orthe other way round)

Be sure to use alternating current.

[Metroid]

Sweet that will work! Thanks a lot.

[alway]

Or if you really want to waste time before graduation, build a huge and elaborate looking circuit which ends up doing the same thing.