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Optical Diodes MCQs Quiz Online PDF | Download eBooks

Solve Optical Diodes Multiple Choice Questions (MCQ), optical diodes quiz answers PDF worksheet, electronic devices practice test for online courses. Learn special purpose diodes Multiple Choice Questions and Answers (MCQs), "Optical Diodes Quiz" questions and answers for online engineering graduate colleges. Learn varactor diodes, zener diode applications, photodiode test prep for grad school interview questions.

"Early LEDs were built up of semiconductor" Multiple Choice Questions (MCQ) on optical diodes with choices si, sio, gaas, and be for online engineering graduate colleges. Practice optical diodes quiz questions for merit scholarship test and certificate programs for undergraduate engineering schools.

MCQs on Optical Diodes PDF Download eBook

MCQ: Early LEDs were built up of semiconductor

  1. Si
  2. SiO
  3. GaAs
  4. Be


MCQ: GaP were used as light emitter to achieve pale

  1. red light
  2. yellow light
  3. green light
  4. blue light


MCQ: GaAs LED emits

  1. microwaves
  2. IR radiations
  3. Ultra Violet
  4. X-rays


MCQ: Light color and Visibility is determined in LED by

  1. microwave
  2. wavelength
  3. spectrum
  4. capacitance


MCQ: A common display device of LED is

  1. seven segment display
  2. red light pointer
  3. LED T V
  4. multilight pointer