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- Subject
- Semiconductor Diodeelectrical-engineering-mcqs › semiconductor-diode
- Published
- 19 Dec 2018
- Last updated
- 28 May 2026
Explanation
AC from the mains supply is transformed into DC primarily to operate electronic devices, as they require direct current for proper functionality. Lighting and heating equipment typically use AC directly.
More Semiconductor Diode MCQs
Practice related questions from the same subject.
- 1.Which characteristic of a zener diode is primarily used in its functioning?
- 2.Given an AC input with an RMS voltage of 400/√2 volts applied to a half-wave rectifier, what is the required Peak Inverse Voltage (PIV) rating of the diode?
- 3.For which type of rectifier is a transformer required?
- 4.What is a major drawback of using a half-wave rectifier?
- 5.What type of breakdown voltage characterizes a Zener diode?
- 6.Why is a resistor placed in series with a zener diode in its circuit?
- 7.Within its breakdown region, a Zener diode functions as which type of source?
- 8.What type of device is a zener diode classified as?
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