The Electrostatic Potential Energy of the System of Point Charges

question 131

Multiple Choice

The electrostatic potential energy of the system of point charges q₁ = -1 μC, q₂ = 2 μC, and q₃ = 3 μC at the corners of the equilateral triangle whose side s = 50 cm is

• A) 18.0 mJ.
• B) -18.0 mJ.
• C) 21.6 mJ.
• D) -24.4 mJ.
• E) 1.23 mJ.

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