A ring is made of a wire having a resistance 12 ohms. Find the ratio of l1 and l2 (lengths) such that the resistance of the subcircuit between A and B is equal to 8/3 ohms :
1) l1/l2 = 3/8 2) l1/l2 = 1/2
3) l1/l2 = 5/8 4) l1/l2 = 1/3
please explain all the necessary steps in detail ???
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