In the circuit given below, $R_1 = 10 \, \Omega$ and $R_2 = 40 \, \Omega$. Find the currents $i_1$ through $i_4$.
3 A
$i_1$
$i_2$
6 A
$20 \, \Omega$
$R_1$
$R_2$
$40 \, \Omega$
$i_3$
$i_4$
2 A
The value of $i_1$ in the circuit is ____ A.
The value of $i_2$ in the circuit is ____ A.
The value of $i_3$ in the circuit is ____ mA.
The value of $i_4$ in the circuit is ____ mA.