The Potential (Relative to Infinity)at the Midpoint of a Square

question 18

Multiple Choice

The potential (relative to infinity) at the midpoint of a square is 3.0 V when a point charge of +Q is located at one of the corners of the square.What is the potential (relative to infinity) at the center when each of the other corners is also contains a point charge of +Q?

• A)0 V
• B)3.0 V
• C)9.0 V
• D)12 V