WAEC Physics 2024 Objective — Question 23
Question 23 of 50 from the West African Examinations Council (WAEC) Physics 2024 Objective paper, with the correct answer and a full explanation.
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23. A 2 microF capacitor is connected directly across a 150 Vrms, 60 Hz A.C source. Calculate the rms value of the current.
- A. 0.113 ACorrect
- B. 0.160 A
- C. 0.150 A
- D. 150 A
Explanation
Xc=1/(2*pi*F*C) = 1/(2x3.142x60x2x10^-6) = 1326.1192 Ohm. I=V/Xc=150/1326.1192=0.113A.
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