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The equivalent resistance between the points A and B is

$\begin{array}{1 1} (A)\;\large\frac{R}{2} & \quad (B)\;\large\frac{R}{4} \\ (C)\;R & \quad (D)\;\large\frac{R}{8} \end{array}$


1 Answer

Here, the complicated looking circuit can be simplified by
labelling appropriate potential points as follows.
The circuit can be simplified as shown
The simplification shows that the effective resistance is $\large\frac{R}{2}$
answered Feb 4, 2014 by thanvigandhi_1
edited Mar 14, 2014 by balaji.thirumalai

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