| Brand | Unbranded |
|---|---|
| Type | Resistance Box |
Check the listing for details. Physics Teaching Equipment Variable Load Resistor Measure EMF & Resistance Box. Condition: New. Listed at 41.84 USD. In the circuit, it is used as a known resistor to regulate the required current. Reference power: 0.5W. Due to the light and screen difference, the item's color may be slightly different from the pictures.