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In the arrangement shown, the magnitude ...

In the arrangement shown, the magnitude of each resistance is `1Omega`. The equivalent resistance between O and A is given by

A

A.`(14)/(13)Omega`

B

B. `7/(15]Omega`

C

C. `(2)/(3)Omega`

D

D. `(5)/(6)Omega`

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The correct Answer is:
B
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