In the circuit shown in Figure 3 below, and are batteries having emfs of and . They have an…

In the circuit shown in Figure 3 below, $E_1$ and $E_2$ are batteries having emfs of $25\text{ V}$ and $26\text{ V}$. They have an internal resistance of $1\,\Omega$ and $5\,\Omega$ respectively. Applying Kirchhoff’s laws of electrical networks, calculate the currents $I_1$ and $I_2$.