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Verified answer
MM• gaya
m = 20 gr = 0,02 kg
g = 10 m/s²
B = 0,08 T
L = 25 cm = ¼ m
i = __?
Pada kawat bekerja 2 gaya
• gaya berat kawat (w = m g), ke bawah)
• gaya Lorentz (F = B i L sin 90°, ke atas)
Pada keadaan setimbang
ΣF = 0
F - w = 0
F = w
B i L = m g
i = m g / (B L)
i = 0,02 • 10 / (0,08 • ¼)
i = 0,2 / 0,02
i = 10 A ← jwb