WAEC Physics 2012 Objective — Question 40
Question 40 of 50 from the West African Examinations Council (WAEC) Physics 2012 Objective paper, with the correct answer and a full explanation.
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Which of the following substances does not conduct electricity?
- A. A. Graphite
- B. B. GlassCorrect
- C. C. Sulphuric acid
- D. D. Table salt solution
Explanation
Glass is an insulator and does not conduct electricity; graphite, sulphuric acid and salt solution are conductors/electrolytes.
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