Point Charges Q and Q Are Positioned as Shown

question 56

Multiple Choice

Point charges q and Q are positioned as shown. If q = +2.0 nC, Q = −2.0 nC, a = 3.0 m, and b = 4.0 m, what is the electric potential difference, VA − VB?

• A)8.4 V
• B)6.0 V
• C)7.2 V
• D)4.8 V
• E)0 V

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