Two +60-µC Charges Are Placed at Two of the Vertices of of an Equilateral

question 109

Multiple Choice

Two +6.0-µC charges are placed at two of the vertices of an equilateral triangle having sides 2.0 m long. What is the electric potential at the third vertex, relative to infinity, due to these charges? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A) 54 kV
• B) 108 V
• C) 0 V
• D) 90 kV
• E) 27 kV

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Langdon Winner

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