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JAMB Physics 2004 Question 41

Question 41

Electrostatics

The instrument used for securing a large number of similar charges by induction is called

  1. A.capacitor.
  2. B.electrophorus.
  3. C.electroscope.
  4. D.proof-plane.
Show the answer and explanation

Answer: B (electrophorus.)

Explanation

The electrophorus can be charged by induction again and again from one charged plate, giving many similar charges.