WAEC Physics 2022 Objective — Question 26
Question 26 of 50 from the West African Examinations Council (WAEC) Physics 2022 Objective paper, with the correct answer and a full explanation.
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An inductor of inductance 10H is connected across an a.c circuit source of 50V, 100Hz. What is the current in the circuit? [π=3.14]
- A. 0.200 A
- B. 0.070 A
- C. 0.050 A
- D. 0.008 ACorrect
Explanation
Inductive reactance X_L=2πfL=2×3.14×100×10=6280Ω. Current I=V/X_L=50/6280=0.008A.
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