I am getting 2/3 but ans is 1ohm whyy?? Share with your friends Share 0 Anshu Agrawal answered this Solution: Your answer 2/3 is correct.Arms AD and DC are in series so R' =1+1=2Ωthis is in parallel with ACR''=2×22+2=1ΩThis is in series with BCR'''=1+1=2ΩThis is in parallel with arm ABRAB=1×21+2=23Ω 0 View Full Answer