Find R between A and B of the circuit

1.	Find R between A and B of the circuit
Answer» IEST way to solve it, is by using folding symmetryjust fold the common part and double the resistance(as SHOWN in the ATTACHMENT)If u look at the circuit CLEARLY a WHEATSTONE bridge is formedhence the middle 2 r Resistor can be neglected Step 12r and 2 r are in series Rs =4 rStep 22r and 2 r are in series Rs =4 rStep 34r and 4r are in parallelRp=4r/2 =2 rRp=2 r

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Find R between A and B of the circuit​

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Find R between A and B of the circuit