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What is the electrostatic potential energy of a system with two charges, 7 mC and -2 mC, located at (-9 cm, 0, 0) and (9 cm, 0, 0), respectively, in the absence of an external field?

Options

  1. A-1.26 J
  2. B1.26 J
  3. C-0.7 J
  4. D0.7 J

Correct answer

C. -0.7 J

Step-by-step solution

Correct Option is : (C) -0.7 J

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