A) 8 ohms in series
B) 18 ohms in series
C) 8 ohms in parallel
D) 18 ohms in parallel
Correct Answer: C
Solution :
\[\frac{i}{{{i}_{g}}}=1+\frac{G}{S}\]\[\Rightarrow \,\,\,\frac{5}{2}=1+\frac{12}{S}\Rightarrow S=8\Omega .\] (In parallel).
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