Conductivity test. A battery and a light bulb are used to test electric conductivity of different materials. As shown here,plastic insulation covering copper wire does not conduct electrical current hence plastic is classified as an insulator. Photo 5 of 10 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Giphotostock |
Taille de l’image : | 5116 px × 3406 px |
Model Release : | Non requis |
Restrictions : |
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