For demonstrating electric fields between electrodes. The transparent base (140mm x 125mm) allows the pattern to be projected via an overhead projector system. Alongside each terminal is a thumbscrew system which permits fine adjustment of the electrodes.
- Clear Petri dish 90mm dia. x 12mm depth
- Six electrodes are supplied: 2 'point source', 2 'line source' and 2 circular rings of 35 and 70mm dia.
- The apparatus requires a safe, low current limited 0-5kV EHT supply
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