Columbia University Physics Lecture Demonstrations


Categories
Mechanics
Fluid Mechanics
Oscillation and Waves
Thermodynamics
Electricity and Magnetism
Optics
Modern Physics
Astronomy

5K20.25 Eddy Current Tubes

[Setup Time: 5 Min.] [Current Condition: Good]

Info

A strong magnet is dropped in plexiglas and copper tubes. In copper, the fall takes several seconds - even though the ball never touches the sides of the tube!

Parts List

Copper Tube in Back wall near black table

Plastic Tube in F. E&M, 1B

Strong Ball Magnet on Stand on Back wall near black table or F. E&M, 1C

Relevant Simulation

N/A

Other Information

Inclined Eddy Current Track Movie

Real-Life Examples

N/A

More Advanced Reading

N/A