5. In this circuit, find $R_3$, $I_1$, $I_2$, $I_4$, $I_5$ and $I_6$.
$V_T = 120 V$
$R_1 = 60 \Omega$
$R_4 = 11 \Omega$
$R_5 = 22 \Omega$
$I_T = 6.0 A$
$R_2 = 12 \Omega$
$R_6 = 33 \Omega$
6. In this circuit, find $I_1$, $R_1$ and $R_2$.
$V_T = 6.0 V$
$I_T = 4.0 A$
7. In this circuit, find $I_T$, $I_1$, $I_2$, $I_3$, $I_4$, $V_1$, $V_2$, $V_3$ and $V_4$.
$I_2 = 1.0 A$
$R_2 = 6.0 \Omega$
$V_T = 6.0 V$
$R_1 = 2.0 \Omega$
$R_3 = 2.0 \Omega$
$R_4 = 6.0 \Omega$