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The two charges in the figure below are separated by a distance d = 5.50 cm, and Q = +4.80 nC.

The two charges in the figure below are separated by a distance d = 5.50 cm, and Q = +4.80 nC.

A---------------B
I I
I I
d I
I I
I I
+Q------d-----+2Q


(a) Find the electric potential at A.
kV

(b) Find the electric potential at B.
kV

(c) Find the electric potential difference between B and A.

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