What are the (a) size and (b) direction (up or down) of
Chapter , Problem 74(choose chapter or problem)
What are the (a) size and (b) direction (up or down) of current i in Fig. 27-71, where all resistances are 4.0 0 and all batteries are ideal and have an emf of 10 V? (Hint: This can be answered using only mental calculation.)Figure 27-71 74.
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