JEE PHYSICS UNIT 19
QUIZ NO 2
TOTAL QUESTIONS = 20


1. In a forward-biased PN junction, the majority carriers are


2. In a transistor, the current gain is represented by the symbol


3. The function of a diode in a rectifier circuit is to


4. A Zener diode is heavily doped in order to


5. The breakdown voltage of a Zener diode is


6. Which of the following is a characteristic of a semiconductor diode?


7. In a P-N junction, the depletion region is formed due to


8. A transistor in common emitter configuration is used for


9. The P-N junction diode is used in a solar cell to convert


10. The operation of an LED is based on


11. Which of the following is true about the transistor action?


12. A silicon diode conducts when forward biased and has a potential drop of about


13. In a Zener diode, the breakdown occurs due to


14. What happens when a P-N junction is forward biased?


15. The majority carriers in an N-type semiconductor are


16. A P-N junction in reverse bias has


17. Which of the following is a property of a P-N junction diode in reverse bias?


18. The working principle of a diode is based on


19. What is the use of a capacitor in a diode rectifier circuit?


20. The application of a photodiode is to



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