Needles of small compasses align along electromagnet field lines around a coiled wire. In this image, the electricity is off. See photo SS21333268 for image with coil turned on. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / Alexandre Dotta |
Bildgröße: | 3264 px × 3180 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |