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JAMB Physics 2002 Question 38

Question 38

Electrostatics

The electric field between two-point charges is shown in the diagram above. What types of charges are at X and Y?

Diagram for this question
  1. A.X is positive and Y is negative.
  2. B.X is negative and Y is positive.
  3. C.Both X and Y are positive.
  4. D.Both X and Y are negative.
Show the answer and explanation

Answer: C (Both X and Y are positive.)

Explanation

Field lines point away from positive charges; here the lines leave both X and Y and bend away from each other, so both are positive.