Electromagnet, illustration. A simple electromagnet is constructed by coiling a length of insulated copper wire (red) around an iron nail. When electric current is passed through the wire, a magnetic field is produced, and the nail becomes magnetic, attracting steel paper clips. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 4181 px × 4181 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |