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JAMB Physics 1980 Question 2

Question 2

Electrostatics

Which of the following is true of an electrical charge?

  1. A.Positive charge means deficit electrons
  2. B.Negative charge means excess of electrons
  3. C.Electric current means movement of electrons
  4. D.All of the above
  5. E.A and B only.
Show the answer and explanation

Answer: D (All of the above)

Explanation

A body is positive when it has lost electrons and negative when it has gained extra electrons; in metal wires an electric current is a flow of electrons.