Loading the content... Loading depends on your connection speed!

« Return to Previous Page

Relativistic Effects Current Swing (MP-F-CS)

Relativistic Effects Current Swing (MP-F-CS)

The attraction or repulsion of the strips represent a charge imbalance due to length contraction in the different frames of reference.


1. Current swing foil apparatus
2. Edison 7 volt battery
3. 2-AA long leads
4. Overhead projector (check if in room)

Category: ,
  • Description

    Product Description


    1. Connect the negative terminal lead to the foil square marked negative.
    2. Touch the positive terminal lead to square ‘A’, marked positive (current goes the opposite direction through each strip).  The two adjacent foils repel each other.
    3. Touch the positive terminal lead to square ‘B’, the other positive square (current goes the same direction through both strips). The two adjacent foils  attract each other.