Needles of small compasses align along electromagnet field lines around an electrified coiled wire. In this image, the electricity is turned on. See photo SS21333269 for image with the coil turned off. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / Alexandre Dotta |
Bildgröße: | 3948 px × 3288 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |