Which of the following is not correct regarding Zener diode ?
Correct answer: A. It is used as a Half wave rectifier
- A. It is used as a Half wave rectifier
- B. It is used as a shunt regulator
- C. It is used as an AC voltage stabilizer
- D. Both B and C
Explanation
The correct answer is Option A: 'It is used as a Half wave rectifier'. Zener diodes are primarily used for voltage regulation and stabilization, functioning effectively as shunt regulators to maintain a constant voltage. They are not typically used in rectification processes like half-wave rectification, where standard diodes are more suitable. Option B and C describe correct uses of Zener diodes, making them incorrect answers to the question. Option D is also incorrect as both B and C are valid applications of Zener diodes.
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A p-n junction forms when p-type and n-type semiconductor regions meet, creating a depletion layer, barrier potential and rectifying action. The work covers forward and reverse bias, junction current, diode characteristics, and how a diode converts alternating current into pulsating direct current through half-wave and full-wave rectification.
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