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SEMICONDUCTORS MCQs

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1. The process by which impurities are added to a pure semiconductor is:





2. A Germanium atom contains _______.





3. The type of atom bonding most common in semiconductor is _______.





4. The reverse resistance of an ideal diode is _______.





5. A circuit that removes positive or negative parts of a waveform is called:





6. Voltage multipliers are used to produce:





7. Diode acts as a closed switch when it is:





8. P region of a diode is called _______.





9. The amount of energy required to produce full conduction across the PN junction is _______.





10. The N region of a diode is called _______.





11. A semiconductor device with a single PN junction that conducts current in only one direction is _______.





12. The boundary between two different types of semiconductor materials is _______.





13. The condition in which a diode prevents current is _______.





14. _______ is a semiconductor material.





15. The most widely used semiconductor material in electronic devices is _______.





16. Electron-hole pairs are produced by _______.





17. In an intrinsic semiconductor _______.
(e) b and d





18. When a diode is forward biased _______.





19. For silicon diode, the value of forward bias voltage typically is _______.





20. When a 60Hz sinusoidal voltage is applied to a half wave rectifier, the output frequency is _______.





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