Question

Ajuda física pfffff preciso de ajuda na 8

Answer 1

$F = \frac{\mu_0 i_1 i_2}{2 \pi d}L\\4.10^{-4} = \frac{4 \pi \times 10^{-7} \times i^2}{2 \pi \times0,1}2\\i^2 = \frac{10^{-4} \times 10^{-1}}{10^{-7}}\\i^2 = 10^2\\i = 10 \ \text{A}$