Pembahasan IPA Kelas 9 SMP MTs Semester 2 Halaman 27, Soal Latihan Gaya Lorentz

Diketahui:

I = 5 m

F = 1 N

A = 2 mA = 2 x 10'-3 A

Ditanya: B = ...?

Jawaban:

F = B I L

1 = B x 2 x 10'-3 x 5

1 = B x 10'-2

B = 100 T