Four +600-µC Point Charges Are at the Corners of a Square

question 42

Multiple Choice

Four +6.00-µC point charges are at the corners of a square 2.00 m on each side. What is the electric potential of these charges, relative to infinity, at the center of this square? (k = 1/4πε₀ = 8.99 × 10⁹ N ∙ m²/C²)

• A) 76.4 kV
• B) 38.2 kV
• C) 306 kV
• D) 153 kV
• E) 61.0 kV

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