An engineer built the circuit depicted in the figure. Assuming  = 8.40 V and R = 4.90 Ω.  What is the magnitud (mA) of  the current in the 2.00 Ω resistor and what is the potential difference (in V) between points a and b (Vb − Va)?

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A: Solution: Consider the circuit as shown below:

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Q: Three resistors R1 = 86.1 Ω, R2 = 24.3 Ω, R3 = 70.0 Ω, and two batteries 1 = 40.0 V, and 2 = 351 V…

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A: (a)Redraw the circuit diagram as shown below:

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