Created by StemPy LabA number of identical cells are joined in parallel. Compared with one cell, the combination has
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← Four cells, each of emf 1.3 V, are joined in series so that they aid one another. What is the emf of the battery?A hobbyist wires two batteries back to front against each other. One is 7.0 V with 0.78 Ω inside, and the other is 2.0 V with 0.22 Ω inside. A lamp of 4.0 Ω is in the loop. How large is the current? →
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