Exercice 1

Loi des noeuds :
i1=i4-i2-i3
=> i1 = 1.103 - 100 - 1,4.10-2.103
=> i1 = 1114 mA

Exercice 2

32 mA = 32.10-3 A
456 ľA = 456.10-3 A
3,45 A = 3450 mA





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