If Q = 400 ?C and the potential difference VA?VB = ?10 V in the circuit segment shown below, what is the current in the resistor?
A. 1.0 mA right to left
B. 1.0 mA left to right
C. 3.5 mA right to left
D. 3.5 mA left to right
E. None of the above
Answer: A
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