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JAMB Physics 1981 Question 13

Question 13

Current Electricity

Which of the following is NOT an effect that can be produced by an electric current?

  1. A.Heat
  2. B.Light
  3. C.Sound
  4. D.Motion
  5. E.None of the above.
Show the answer and explanation

Answer: E (None of the above.)

Explanation

An electric current can produce heat (heater), light (lamp), sound (loudspeaker, bell) and motion (motor), so none of them is excluded.