Rotary potentiometer. Potentiometers are a type of variable resistor. On rotary potentiometers such as this turning the shaft (silver,upper centre) varies the resistance to electric current across the metal contacts (silver,lower centre). Potentiometers are used in devices such as light dimmers and volume controls | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Trevor Clifford Photography |
Taille de l’image : | 5079 px × 3400 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |