WAEC Physics 2023 Objective — Question 37
Question 37 of 50 from the West African Examinations Council (WAEC) Physics 2023 Objective paper, with the correct answer and a full explanation.
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The most appropriate value of fuse for a kettle rated 220 V, 1.06 kW is
- A. 3 A
- B. 4 A
- C. 5 ACorrect
- D. 6 A
Explanation
I=P/V=1060/220=4.82A. A slightly higher standard fuse rating is chosen, i.e. 5 A.
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