![](../img/potential_field1.jpg)
Board setup |
![](../img/potential_field2.jpg)
Conducting board, extra wires (red & black),
9v battery, widow maker (no longer used!),
multimeter, and meter probes |
![](../img/potential_field3.jpg)
The COM terminal of multimeter is connected
via a long black wire to the green terminal
of the power panel. Left screw of conducting paper is
connected to black (-) terminal,
right screw to the red (+) terminal |
![](../img/potential-field-dual-supply-2023-152.JPG)
Dual power supply (preferred) on instructor's bench.
See setup instructions for wiring directions |
![](../img/potential_field4.jpg)
If a dual power supply is not available, place two single power supplies
on instructor's bench. See setup instructions for wiring directions |