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What is the potential energy of a system of two charges +3 µC and +4 µC separated by 0.3 m? (2023)

Practice Questions

1 question
Q1
What is the potential energy of a system of two charges +3 µC and +4 µC separated by 0.3 m? (2023)
  1. -0.12 J
  2. 0.12 J
  3. 0.36 J
  4. 0.24 J

Questions & Step-by-step Solutions

1 item
Q
Q: What is the potential energy of a system of two charges +3 µC and +4 µC separated by 0.3 m? (2023)
Solution: Potential energy U = k * q1 * q2 / r = (9 × 10^9 N m²/C²) * (3 × 10^-6 C) * (4 × 10^-6 C) / 0.3 m = 0.36 J.
Steps: 0

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