A) \[\frac{8}{7}\Omega \]
B) \[\frac{7}{8}\Omega \]
C) \[\frac{7}{4}\Omega \]
D) \[\frac{4}{9}\Omega \]
Correct Answer: A
Solution :
\[\frac{1}{{{R}_{eq}}}=\frac{1}{2}+\frac{1}{4}+\frac{1}{8}=\frac{4+2+1}{8}\] Þ \[{{R}_{eq}}=\frac{8}{7}\Omega \].
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