F_{m} = R \frac{I_{1} I_{2} l}{r}

${F_m = R \frac{I_1 I_2 l}{r}}$

F_{m} = R \frac{I_{1} I_{2} l}{r}

$F_m = R \frac{I_1 I_2 l}{r}$

F_{m} (N)

$F_m \;\left(N\right)$

r (m)

$r\;\left(m\right)$

r

$r$

m

$m$

1

I_{1}

$I_1$

A

$A$

5

I_{2}

$I_2$

A

$A$

5

l

$l$

m

$m$

1

Lisa