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Twelve identical resistances arranged on...

Twelve identical resistances arranged on all edges of a cube. The resistors are all the same. Then find the equivalent resistance between the edges A and B as shown in figure.

A

`(R)/(12)(10+4K-5K^(2))`

B

`(R)/(6)(10+4K-5K^(2))`

C

`(R)/(12)(5+2K-5K^(2))`

D

`(R)/(6)(5+2K-5K^(2))`

Text Solution

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The correct Answer is:
A
`70Omega`
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