A) \[\frac{8}{3}\Omega \]
B) \[\frac{25}{4}\,\Omega \]
C) \[16\,\Omega \]
D) \[\frac{3}{20}\,\Omega \]
Correct Answer: B
Solution :
[b] \[R\text{ }=2+\frac{9\times 3}{9+3}+2\] \[=2+\frac{27}{12}+2\] \[=2+\frac{9}{4}+2\] \[=\frac{25}{4}\,\,\Omega \]
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