In Fig. 27-81, the ideal batteries have emfs 1 20.0 V, 2 10.0 V, 3 5.00 V, and 4 5.00 V
Chapter 27, Problem 100(choose chapter or problem)
In Fig. 27-81, the ideal batteries have emfs 1 20.0 V, 2 10.0 V, 3 5.00 V, and 4 5.00 V, and the resistances are each 2.00 .What are the (a) size and (b) direction (left or right) of current i1 and the (c) size and (d) direction of current i2? (This can be answered with only mental calculation.) (e) At what rate is energy being transferred in battery 4, and (f) is the energy being supplied or absorbed by the battery? i1i22341Figure 27-81 100.
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