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General knowledge practice test MCQ: microwave' oven was invented by with options percy spencer, victor vacquier, george inman and raytheon problem solving skills for summative and formative assessment, competitive exam prep, interview questions with answer key. Free study guide is for online learning modern electric products quiz questions with MCQs to practice test questions with answers. Modern Electric Products Video

MCQs on Modern Electric Products Quiz PDF Download

MCQ: Microwave' oven was invented by

  1. Percy Spencer
  2. Victor Vacquier
  3. George Inman
  4. Raytheon

A

MCQ: World's first microwave oven is invented in

  1. 1942
  2. 1947
  3. 1945
  4. 1944

B

MCQ: Transistors used in all modern electric products was invented in

  1. 1917
  2. 1927
  3. 1947
  4. 1937

C