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Output Devices Quiz Questions and Answers 127 PDF Download

Learn output devices quiz questions, GCE A level physics online test 127 for distance learning degrees, free online courses. Colleges and universities courses' MCQs on electronics quiz, output devices multiple choice questions and answers to learn physics quiz with answers. Practice output devices MCQs, SAT test assessment on diffraction of waves, young double slit experiment, channels comparison, gas particles, output devices practice test for online mastering physics courses distance learning.

Study output devices online courses with multiple choice question (MCQs): output current from an led is, for bachelor degree and masters in physics degree questions with choices 20 ma, 30 ma, 40 ma, 50 ma with online interview questions and answers for pre-employment exams of jobs placements. Learn electronics quizzes with problem-solving skills assessment test.

Quiz on Output Devices Worksheet 127Quiz PDF 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