JAMB Physics 2023 Objective — Question 30
Question 30 of 40 from the Joint Admissions and Matriculation Board (JAMB) Physics 2023 Objective paper, with the correct answer and a full explanation.
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5Ω and 10Ω resistors in series then parallel with 24 V. Ratio of power (series:parallel):
- A. 3:5
- B. 5:3
- C. 2:9Correct
- D. 1:5
Explanation
P_series=38.4 W; P_parallel=172.8 W; ratio=38.4:172.8=2:9.
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