A capacitor of reactance 115 Ω is connected to a 230 V rms AC supply. What rms current flows?
Correct answer D. 2.0 A
Explanation
For a capacitor, I_rms = V_rms/X_C = 230 V ÷ 115 Ω = 2.0 A. Reactance plays the same role as resistance in this ratio.
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