A) 400 A and 100 V
B) 200 A and 100 V
C) 400 A and 50 V
D) 200 A and 50 V
Correct Answer: D
Solution :
\[V={{V}_{0}}\left( 1-\frac{I}{{{I}_{s}}} \right)\] \[{{I}_{s}}=400\,A,\] \[{{V}_{0}}=100\,V\] \[V=100\left( 1\,-\,\frac{I}{400} \right)\] A. \[V-100\left( 1-\frac{400}{400} \right)=0\to invalid\] B. \[V=100\left( 1-\frac{200}{400} \right)=50V\to invalid\] C. \[V=100\left( 1-\frac{400}{400} \right)=0\to invalid\] D. \[V=100\left( 1-\frac{200}{400} \right)=50V\to valid\]
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