Physics - Current Electricity Question with Solution | TestHub

A cell $E_1$ of emf $6 \mathrm{V}$ and internal resistance $2\mathrm{\Omega }$ is connected with another cell $E_2$ of emf $4 \mathrm{V}$ and internal resistance $8 \mathrm{\Omega }$ (as shown in the figure). The potential difference across points $X$ and $Y$ is: