1. What does the term 'magnetic properties' refer to in materials?
2. In which year did Hans Christian Ørsted discover that electric currents produce magnetic fields?
3. What is the primary role of magnetic fields in electromagnetic devices such as motors and transformers?
Magnetic Material — definition?
Substance exhibiting magnetic properties due to electron alignment.
Ørsted’s discovery — role?
Linked electricity and magnetism, founding electromagnetism.
Magnetic Field (B) — function?
Exerts forces on moving charges and magnetic materials.
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