| Circulated/Uncirculated | Uncirculated |
|---|---|
| Type | Medal |
| Composition | Copper |
| Country of Origin | United States |
Check the listing for details. AC & DC Ohms Law Wheel Formulas Medallion COIN Electrician Gift - 1 OUNCE COPPER. Made in United States. Listed at 19.95 USD. Alternating Current formulas (AC) with the Z impedance formulas on one side and Direct Current Formulas (DC) with R resistance formulas on the other. TNT EXCLUSIVE TWO-SIDED pure solid copper Ohm's law coin with BOTH sets of formula wheels for AC and DC.