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Q4. Charge q1 = 2.0 nC is located at (0, 0) and charge q2 = -4.0...

Q4. Charge q1 = 2.0 nC is located at (0, 0) and charge q2 = -4.0 nC is located at (-3.0 cm, 0).

  1. Sketch a diagram of the charge distribution.
  2. What is the electric potential at point A (2.0 cm,0)?
  3. What is the electric potential at point B (3.0 cm, 0)?
  4. What is the change of electric potential from A to B?
  5. How much work is needed to move a third charge q3 = 2.0 nC from A to B?
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