An emf device is basically a battery.
Which is true about moving through an emf device that is connected to a resistor?
A) If you move in the direction of the emf arrow, the potential increases.
B) If you move in the direction of the emf arrow, the potential can either decrease or increase depending on how the resistor is connected.
C) If you move in the direction of the emf arrow, the potential decreases.
D) The potential does not change.
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