A 1:10 step-down transformer connected to 230 V rms mains feeds an ideal half-wave rectifier. What is the peak output voltage?
Correct answer B. 32.5 V
Explanation
Secondary rms voltage = 230/10 = 23 V. Peak voltage = 23 × √2 ≈ 32.5 V, and an ideal diode drops no voltage.
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