tolong bantu jawabannya yg no.57

MEDAN MAGNET
• Gaya

57][
i = 2 A
a = 5×10⁻² m
L = 5×10⁻² m
F = __?

F/L = μ₀ i² / (2π a)
F = μ₀ i² L / (2π a(
F = 4π×10⁻⁷ • 2² • 5×10⁻² / (2π • 5×10⁻²)
F = 8×10⁻⁷ N ← jwb