Diodes and Applications Questions and Answers

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Diodes and their applications play a vital role in electronics, especially in rectification, signal clipping, and voltage regulation circuits. This topic offers electronics aptitude questions and answers with explanations on diode behavior, characteristics, and real-world applications. Perfect for GATE, BEL, and ISRO aspirants, these questions test your analytical understanding of semiconductor diodes. Practice these Diodes and Applications questions with answers to build a solid foundation in analog electronics and enhance your problem-solving ability for engineering exams and interviews.

Diodes and Applications

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41. A reverse biased diode will act as an open switch.

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42. If the diode in a series circuit is reverse biased, the resistor will drop all the applied voltage.

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43. The PIV rating of a diode in a full-wave bridge rectifier is more than that required for a full-wave center-tapped configuration.

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44. The troubleshooting process for a typical dc power supply contains four steps.

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45. The number of electrons in a stable atom is the same as the number of protons in its nucleus.

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46. A rectifying diode can change ac voltage to dc voltage

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47. The barrier potential is the small difference of potential created by positive and negative ions on either side of the depletion region.

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48. Dark current is a small reverse current that flows in a photodiode that is receiving no light.

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49. One of the advantages of using transformer coupling in a half-wave rectifier is that it allows the ac source to be directly connected to the load.

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50. A zener diode can be used to provide voltage regulation in a power supply.

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