\text { (a) } \frac{V_{B}}{V_{A}}=\frac{N D}{1-D} \text { (b) } \frac{V_{E}}{V_{A}}=\frac{N}{1-D} \text { (c) } \frac{V_{B}}{V_{A}}=N D \text { (d) } \frac{V_{B}}{V_{A}}=\frac{(1-D)}{N D} \text { (c) } \frac{V_{D}}{V_{A}}=\frac{1-D}{N} \text {

(f) } \frac{V_{B}}{V_{A}}=\frac{1}{N D} \text { (ह) } \frac{V_{R}}{V_{A}}=-\frac{N D}{1-D} \text { (h) } \frac{V_{B}}{V_{A}}=-\frac{N}{1-D} \text { (t) } \frac{V_{B}}{V_{A}}=-N D \text { () } \frac{V_{B}}{V_{A}}=-\frac{(1-D)}{N D} \text { (I) } \frac{V_{B}}{V_{A}}--\frac{1}{N D}