In Fig. 27-54, the resistances are R1 1.0 and R2 2.0 , and the ideal batteries have emfs
Chapter 27, Problem 45(choose chapter or problem)
In Fig. 27-54, the resistances are R1 1.0 and R2 2.0 , and the ideal batteries have emfs 1 2.0 V and 2 3 4.0 V. What are the (a) size and (b) direction (up or down) of the current in battery 1, the (c) size and (d) direction of the current in battery 2, and the (e) size and (f) direction of the current in battery 3? (g) What is the potential difference Va Vb? 3 + R1 2+ R2 1R1 Figure 27-54 45.
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