About: http://webisa.webdatacommons.org/225857741

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Therefore, efficiency of the brushless motor can be maximized when the number of magnetic poles is equal to 2n and the number of armature coils is equal to 3n where n is a positive integer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com