Description

this resistance box at plus-or-minus 1% on each step replaces dozens of fixed resistors at the bench

Economy 25 by 5mm ceramic disc magnet

U-magnet and brass-rail apparatus that demonstrates the motor effect

and the triboelectric series

Variable Gap Magnet for Physics Demonstrations Base Size_8 x 5" this resistance box at plus-or-minusAdjustment screws (3 x 1 inch) on a metal base position two neodymium magnets, varying the pole gap from 0. 4 to 8. 5cm and field strength from 100 to 7500 Gauss across the working volume.

Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
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Variable Gap Magnet for Physics Demonstrations Base Size_8 x 5" this resistance box at plus-or-minus

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