i1R1= i2Rs. The second equation gives i2= i1R1/Rs, which is substituted into the first equation to obtain ()2112111.sxsxsR RRRRi RR iRRR+=+⇒=55. Let i1be the current in R1and R2, and take it to be positive if it is toward point ain R1. Let i2be the current in
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