Physics - Current Electricity Question with Solution | TestHub

Potential difference across$2 \mathrm{\Omega }$resistance from left side is$6 \mathrm{V}$. Therefore, potential difference across$2 \mathrm{\Omega }$resistance from right side should also be$6 \mathrm{V}$. This is possible only if$\mathrm{E}=6 \mathrm{V}$as the current passing through$1 \mathrm{\Omega }$resistance is zero.