This question consists of TWENTY FIVE subquestions $(2.1-2.25)$ of TWO marks each. For each of these sub-questions, four possible answers ( $\text{A, B, C}$ and $\text{D}$) are given, out of which only one is correct. Answer each sub-question by darkening the appropriate bubble on the OBJECTIVE RESPONSE SHEET (ORS) using a soft HB pencil. Do not use the ORS for any rough work. You may like to use the Answer Book for any rough work, if needed.
The voltage $e_{0}$ in the figure,
- $48 \mathrm{~V}$
- $24 \mathrm{~V}$
- $36 \mathrm{~V}$
- $28 \mathrm{~V}$