What are the (a) magnitude and (b) direction (up or down) of current i in the figure where all resistances are 7.4 Q and all batteries are ideal and have an emf of 12.0 V? (Hint:This can be answered using only mental calculation.) (a) Number Units (b)

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What are the (a) magnitude and (b) direction (up or down) of current i in the figure where all resistances are 7.4 0 and all batteries are
ideal and have an emf of 12.0 V? (Hint:This can be answered using only mental calculation.)
(a) Number
Units
(Ь)
Transcribed Image Text:What are the (a) magnitude and (b) direction (up or down) of current i in the figure where all resistances are 7.4 0 and all batteries are ideal and have an emf of 12.0 V? (Hint:This can be answered using only mental calculation.) (a) Number Units (Ь)
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