Q.

Consider the following circuit where all resistors have resistance 1Ω. If equivalent resistance between A and B is  x5. Find x.

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answer is 4.

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Detailed Solution

Due to symmetry, circuit will bccome
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Req. = 45Ω
 

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Consider the following circuit where all resistors have resistance 1Ω. If equivalent resistance between A and B is  x5. Find x.