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Output Devices Quiz Questions and Answers 127 PDF Book Download

Output devices quiz, output devices MCQs answers, GCE A level physics quiz 127 to learn physics courses online. Electronics quiz questions and answers, output devices multiple choice questions (MCQs) to practice physics test with answers for online colleges and universities courses. Learn output devices MCQs, young double slit experiment, channels comparison, gas particles, output devices test prep for physics certifications.

Learn output devices test with multiple choice question (MCQs): output current from an led is, with choices 20 ma, 30 ma, 40 ma, and 50 ma for online bachelor degree. Learn electronics questions and answers for scholarships exams' problem-solving, assessment test.

Quiz on Output Devices Worksheet 127Quiz Book Download

Output Devices Quiz

MCQ: Output current from an LED is

  1. 20 mA
  2. 30 mA
  3. 40 mA
  4. 50 mA


Gas Particles Quiz

MCQ: At standard pressure and temperature average speed of molecules is

  1. 400 m s-1
  2. 500 m s-1
  3. 600 m s-1
  4. 700 m s-1


Channels Comparison Quiz

MCQ: A wave of frequency 1 GHz has wavelength of

  1. 0.4 m
  2. 0.5 m
  3. 0.2 m
  4. 0.3 m


Young Double Slit Experiment Quiz

MCQ: Interference pattern of light and dark bands on screen is called

  1. graphical pattern
  2. line spectrum
  3. light spectrum
  4. fringes


Diffraction of Waves Quiz

MCQ: Microwaves have wavelength of about

  1. 10 cm
  2. 20 cm
  3. 30 cm
  4. 40 cm