Assertion: magnetic field | /r/HasProperty | due
Facets:
value: to electric current loops
type: CAUSE
Source sentences:
text: After Ørsted discovered that electric currents produce a magnetic field and Ampere discovered that electric currents attracted and repelled each other similar to magnets, it was natural to hypothesize that all magnetic fields are due to electric current loops.
text: André-Marie Ampère discovered that electric currents attract and repel each other similar to magnets, it was natural to hypothesize that all magnetic fields are due to electric current loops.
text: The magnetic field produced by permanent magnets is due to "magnetization current" densities inside ferromagnetic materials.