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What is the electric potential energy of a system of two charges of +1 µC and -1

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Question: What is the electric potential energy of a system of two charges of +1 µC and -1 µC separated by 0.1 m?

Options:

  1. -0.09 J
  2. 0.09 J
  3. 0.18 J
  4. 0.36 J

Correct Answer: 0.09 J

Solution: 

Potential energy U = k * q1 * q2 / r = (8.99 x 10^9 N m²/C²) * (1 x 10^-6 C) * (-1 x 10^-6 C) / 0.1 m = -0.09 J.

What is the electric potential energy of a system of two charges of +1 µC and -1

Practice Questions

Q1
What is the electric potential energy of a system of two charges of +1 µC and -1 µC separated by 0.1 m?
  1. -0.09 J
  2. 0.09 J
  3. 0.18 J
  4. 0.36 J

Questions & Step-by-Step Solutions

What is the electric potential energy of a system of two charges of +1 µC and -1 µC separated by 0.1 m?
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