Chapter 2 SEMICONDUCTOR DIODES MCQs

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1. .1 Net charge on PN junction area is





2. .2 A diode has terminals





3. .4 Potential barrier for silicon (Si) is





4. .5 Potential barrier for germanium (Ge) is





5. .6 The process of converting AC voltage to DC voltage is





6. .7 The number of diode(s) used in half wave rectifier





7. .8 Half wave rectifier converts only ___ half cycle of AC to DC voltage





8. .9 The number of diode(s) used in full wave bridge rectifier





9. .10 Full wave rectifier converts half cycle(s) of AC to DC voltage





10. .11 The number of diode(s) used in full wave center tapped transformer





11. .12 During forward biasing of a diode, depletion layer





12. .13 During reverse biasing of a diode, depletion layer





13. .15 A sinusoidal waveform has amplitude





14. .16 A DC voltage has amplitude





15. .17 AC components in the rectified output are called





16. .18 The ratio of AC components to the DC in rectified output





17. .19 The leakage current across a PN junction is due to





18. .20 How many diodes forward biased at a time in full wave bridge rectifier





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