Jawabanmu

2014-02-02T13:21:59+07:00
FLorentz = B . I . L
B = Florentz / I . L
= 1,89 / 0,45 . 7 . 10⁻⁶
= 0,6 . 10⁶
= 6 . 10⁵
2 5 2