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JAMB Physics 1992 Question 34

Question 34

Electrostatics

When an ebonite rod is rubbed with fur, it has

  1. A.no charge at all
  2. B.a negative charge
  3. C.a positive charge
  4. D.negative and positive charges.
Show the answer and explanation

Answer: B (a negative charge)

Explanation

Rubbing moves electrons from the fur to the ebonite, so the ebonite becomes negatively charged.