US$ 33.00
Demonstrates Hooke's Law
U-magnet and brass-rail apparatus that demonstrates the motor effect
and the triboelectric series
Sized for compact classroom display
Variable Gap Magnet for Physics Demonstrations Base Size_8 x 5" Demonstrates Hooke's LawAdjustment 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.
US$ 33.00
US$ 160.00
US$ 190.00
US$ 190.00