Thyristors and Transducers Questions and Answers

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Thyristors and transducers questions with answers help electronics aspirants understand key control and measurement devices used in power electronics and instrumentation. These reasoning questions for competitive exams cover SCRs, TRIACs, DIACs, phototransistors, and various transducer principles. Practicing logical reasoning questions based on these components builds clarity on signal conversion, triggering methods, and voltage control. Engineering students preparing for GATE, ISRO, BEL, or placement exams can enhance their technical reasoning and conceptual understanding with these reasoning questions and answers, ensuring they perform confidently in both objective and practical assessments.

Thyristors and Transducers

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31. A certain amplifier has a voltage gain of 210. That gain expressed in decibels is 46.4 dB.

  • TRUE
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32. The voltage measured from the collector to the emitter is the sum of the voltage base-emitter plus the voltage collector-base.

  • TRUE
  • FALSE
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33. A decrease in base current of a CE amplifier causes the voltage measured between the emitter and the collector to increase.

  • TRUE
  • FALSE
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34. In an n-type JFET, current will flow when a positive voltage is applied to the drain and a negative voltage is applied to the source.

  • TRUE
  • FALSE
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35. An essential requirement of a feedback oscillator is a phase shift around the feedback loop of 360°.

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