Andrè Marie Ampere    1775 - 1836

ampere experiment

diagram of the experiment

This experiment shows that the electric currents react between them. Parallel copper wires attract because the electric current has the same direction in all wire.
The two wire have an end immersed in the mercury and the other end hanged (not fixed) to the same metallic anchor.
To understand the direction of the electric current in the two wire please see the figure below and the animation.

 

 


 


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