n Q 100% 4 4 TT Lab 9 Electromagnets & Ohm's Law . This gives magnetic size of to mm called magnetic In a permanent magnet, these are aligned. Common magnetic materials are , and 11) INDUCED MAGNETISM Usually the magnetic arranged. When it is placed in a the domains that are aligned with the B-field grow and the orientation of other domains may until they are aligned. This gives the material an magnetism