If the a.c. input to a half-wave rectifier is an r.m.s value of 400/√2 volts, then diode PIV rating is__________________?
Correct answer: B. 400 V
- A. 400/√2 V
- B. 400 V
- C. 400 x √2 V
- D. none of the above
Explanation
The stated rms input is 400/√2 V, so its peak value is 400 V. A half-wave rectifier diode must withstand this peak reverse voltage, making its PIV 400 V.
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