Conductivity test. A battery and a light bulb are used to test electric conductivity of different materials. As shown here,a rubber eraser does not conduct electrical current hence rubber is classified as an insulator. Photo 4 of 10 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 5116 px × 3406 px |
Model Release : | Non requis |
Restrictions : |
|