Needles of small compasses align along electromagnet field lines around a coiled wire. In this image, the electricity is on. See photo SS21333270 for image with coil turned off. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / Alexandre Dotta |
Bildgröße: | 3264 px × 3168 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |