A battery with EMF 90.0 V has internal resistance Rb = 9.33 Ω .  What is the maximum value that the ratio Rb/Rv may have if the percent error in the reading of the EMF of a battery is not to exceed 3.50 % ?

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Q: In the figure the current in resistance 6 is i6 = 1.42 A and the resistances are R1 = R2 = R3 = 2.06…

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