Question

In the network shown in the adjoining figure, each resistance is 1 ohm. The effective resistance between $A$ and $B$ is :-

• A. $(4/3)\Omega$
• B. $(3/2)\Omega$
• C. $7\Omega$
• D. $(8/7)\Omega$

Answer 1

Answer: (D)

Given :
$R_{AB}=\frac{8}{7}r[r=1ohm]$
$R_{AB}=\frac{8}{7}r$