JAMB Physics 2023 Objective — Question 18
Question 18 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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A 15μF capacitor is connected to 240 V, 50 Hz AC. Reactance of the capacitance:
- A. 16Ω
- B. 68Ω
- C. 212ΩCorrect
- D. 114Ω
Explanation
Xc=1/(2πfC)=1/(2π×50×15×10⁻⁶)≈212 Ω.
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