Series/Parallel Circuits: A 4.0-? resistor is connected with a 12-? resistor and both of these are connected across an ideal dc power supply with voltage V as shown in the figure. If the total current in this circuit is I = 2.0 A, what is the current through the 4.0-? resistor?
A. 2.0 A
B. 2.5 A
C. 0.5 A
D. 3.0 A
E. 1.5 A
Answer: E
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