Le champ électromoteur
8"%#3'"2-0(%"3%#54R2/0(%#%2'"3#0(%#2/#'"#1-5.+3%#("#3'"1(3&%(,#+)%3#("%#)/&%22%#D#
1+"2#("#34+$5#$+G"-B0(%#6E#.%2#-.%3&,'"2#1%#3%#3'"1(3&%(,#)%,,'"&#("#34+$5#
-.%3&,/0(%##
S%#34+$5#%2/&#champ&électromoteur:#S'"&,+/,%$%"&#+(#34+$5#-.%3&,'2&+B0(%E#3%#
34+$5#"J%2+2#?#3/,3(.+B'"#"(..%#2(,#("#3/,3(/%,$-##
#
#
#
;'"#,'&+B'""%.#%2'"3#"'"T"(.#K/.#"%#1-,/)%#5+2#1J("#5'&%"B%.#23+.+/,%L:#
#
!"#1-U"/&#.+#force&électromotrice&(f.e.m)&1J("#3/,3(/&#$'*/.%#5.'"G-#1+"2#("#34+$5#
$+G"-B0(%#3'$$%#.+#3/,3(.+B'"#1(#34+$5#-.%3&,'$'&%(,#2(,#3%#3/,3(/&&
S%V%#7:%:$#%2'$'GP"%#?#("%#&%"2/'"#KD'.&2L:#!"#
5%(&#.+#$'1-./2%,#3'$$%#("#G-"-,+&%(,#1+"2#.%#3/,3(/&:#