In the figure the current in resistance 6 is i6 = 1.38 A and the resistances are R₁ = R₂ R3 = 2.000, R4 = 17.00, R₂ = 7.10 Q2, and R₂ = 4.74 Q. What is the emf of the ideal battery? Number i 81 R₁ Units R3 ww R₂ R₁ R₂ 16 R6

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