Having difficulty with coursework and helmholtz coils.
05 April 2006, 04:42 PM
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Having difficulty with coursework and helmholtz coils.
Basically we have been set the task of using electromagnetic dampening to prevent lateral osillations in a sheet of metal.
For example if the metal was orientated this way | preventing osillations in these <> directions through the thinist dimensions of the material.
From previous knowledge I have decided that a helmholtz coil would be best to do this, as using lenz law i know that a current induced opposes the motion.
However how should the material pass through the coil.
Should it be -0-0- passing through the centre of the two coils
or should it be 0|0 passing between the coils.
Cheers
For example if the metal was orientated this way | preventing osillations in these <> directions through the thinist dimensions of the material.
From previous knowledge I have decided that a helmholtz coil would be best to do this, as using lenz law i know that a current induced opposes the motion.
However how should the material pass through the coil.
Should it be -0-0- passing through the centre of the two coils
or should it be 0|0 passing between the coils.
Cheers
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