Kirchhoff's loop rule:
No current flows in the middle wire because it is not connected.
The current outside the loop can be taken to be i in a counterclockwise direction.
Part A. Find the potential of point a with respect to point b in the figure. Express your answer using two significant figures.
Part B. If points a and b are connected by a wire with negligible resistance, find the magnitude of the current in the 10.0 V battery. Express your answer using two significant figures. Express your answer using two significant figures.
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