Diodes: PN junction, types (Zener, Schottky, etc.), and applications MCQs

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1. A diode is a device that allows current to flow in:





2. In a PN junction diode, the P-type material is rich in:





3. The N-type material of a PN junction diode is doped with elements that have:





4. When a forward voltage is applied to a PN junction diode, the diode:





5. The reverse bias condition in a PN junction diode results in:





6. A Zener diode is primarily used for:





7. The main characteristic of a Zener diode is that it allows current to flow in the reverse direction when the reverse voltage exceeds a certain value called the:





8. Schottky diodes are known for their:





9. Light Emitting Diodes (LEDs) are used in:





10. The main advantage of a Schottky diode over a standard PN junction diode is:





11. In a rectifier circuit, a diode is used to:





12. Which of the following is a typical application of a Zener diode?





13. A diode used in solar cells is primarily used to:





14. Which type of diode is typically used for creating a sharp frequency cut-off in high-frequency circuits?





15. In a TV remote control, the diode used is typically a:





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