Two resistances are joined in parallel whose resultant is (6/5)Ω. One of the resistance wire is broken and the effective resistance is 2Ω , the resistance of the wire that got broken was :
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a
3/5 Ω
b
6/15 Ω
c
2 Ω
d
3 Ω
answer is D.
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Detailed Solution
In case of two resistances in parallel R = R1R2R1+R2