In the figure R1 = 89 Ω, R2 = 59 Ω, and the ideal batteries have emfs ε1 = 7.0 V, ε2 = 6.0 V, and ε3 = 5.0 V. Find (a) the current in R1, (b) the current in R2, and (c) the potential difference between points a and b. (a) Number Units (b) Number Units (c) Number Units
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