When all the resistances in the circuit are 1 Ω each, then the equivalent resistance across points A & B will be
A
5/6 Ω
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B
1/2 Ω
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C
2/3 Ω
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D
1/3 Ω
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Solution
The correct option is D 1/3 Ω Since R1 and R2 are short circuit,the circuit can be re arrange(see figure-2).Now all resistance are in paralell, So Equivalent Resistance can be found using formula for parallel combination.