Three Equal Charges of Magnitude + 4

question 1

Multiple Choice

Three equal charges of magnitude + 4.00 μC are placed at the corners of an equilateral triangle of side 2.00 cm. What is the electric field potential energy of the system of these charges?

• A) 90.0 J
• B) 900 mJ
• C) 0 J
• D) 216 mJ
• E) 21.6 J

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