WAEC Physics 2021 Objective — Question 19
Question 19 of 50 from the West African Examinations Council (WAEC) Physics 2021 Objective paper, with the correct answer and a full explanation.
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19. Which of the following units is equivalent to the unit of electric current?
- A. C s⁻¹Correct
- B. W
- C. J s⁻¹
- D. C
Explanation
Current I=Q/t, so its unit is coulombs per second (C s⁻¹), which is the ampere.
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