Solenoids

[stunner5000pt]

i know the traditional solenoids of C type, D type and cylindrical (tubular) framing but what stops you from making a solenoid from a small tube and wrapping the wire over and over itself many times over?? WOuldn't that make a strong magnetic field / area??

[Crosson]

Amperes law tells me that your solenoid will work.

Inside the solenoid the magnetic field is proportional to only two things: the current and the number of turns per unit length. So go ahead.