A) \[12\,\Omega \]
B) \[8\,\Omega \]
C) \[18\,\Omega \]
D) \[16\,\Omega \]
Correct Answer: D
Solution :
(d) \[16\,\Omega \] \[{{R}_{eq}}={{R}_{4}}+\frac{{{R}_{1}}({{R}_{2}}+{{R}_{3}})}{{{R}_{1}}+{{R}_{2}}+{{R}_{3}}}\] \[=4+\frac{36(9+9)}{36+9+9}=16\,\Omega \]
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