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12 resistors each of 10Omega are connect...

12 resistors each of `10Omega` are connected as shown in the figure. The effective resistance between A and B is

A

`4Omega`

B

`8Omega`

C

`2Omega`

D

`6Omega`

Text Solution

Verified by Experts

The correct Answer is:
B
By symmetry the current ending at point
A = current leaving at point B
The simplified form of above figure is as shown in the figure (1).

The simplified form of figure (1) is as shown in figure ( 2).

from figure , `R_(AB)= 8 Omega`.
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