Conductivity test.A battery and a light bulb are used to test electric conductivity of different materials. As shown here,a wooden stick does not conduct electrical current hence wood is classified as an insulator. Photo 2 of 10 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Giphotostock |
Bildgröße: | 5116 px × 3406 px |
Modell-Rechte: | nicht erforderlich |
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