Question

In the diagram resistance between any two junctions is $R$. Equivalent resistance across terminals $A$ and $B$ is

• A. $\frac{11R}{7}$
• B. $\frac{18R}{11}$
• C. $\frac{7R}{11}$
• D. $\frac{11R}{18}$

Answer 1

Answer: (D)

$\frac{11R}{18}$

Converting the given circuit into its equivalent circuits as shown in figure, we get the equivalent resistance between A and B equals $\frac{11R}{18}$