Class 8 Courses

Inventions Practice Tests

Inventions Online Tests

Vaccum Tube MCQ (Multiple Choice Questions) PDF Download

The Vaccum tube Multiple Choice Questions (MCQ Quiz) with Answers PDF (Vaccum Tube MCQ PDF e-Book) download to practice Inventions Tests. Learn Inventions and Inventors Multiple Choice Questions and Answers (MCQs), Vaccum Tube quiz answers PDF for online elementary school classes. The Vaccum Tube MCQ App Download: Free learning app for modern neuroscience, foot bag, post-it-note, a.c test prep for virtual online school.

The MCQ: The first vacuum tube was invented by an English electrical engineer known as; "Vaccum Tube" App Download (Free) with answers: Sir John Ambrose Fleming; Dr Raymond Lemieux; Sir Peter Williamson; Sir Samuel Morse; for online elementary school classes. Solve Inventions and Inventors Quiz Questions, download Google eBook (Free Sample) for school certificate.

Vaccum Tube MCQs PDF: Questions Answers Download

MCQ 1:

In which year the first vacuum tube was invented?

  1. 1904
  2. 1976
  3. 1903
  4. 1924
MCQ 2:

The first vacuum tube was invented by an English electrical engineer known as

  1. Sir John Ambrose Fleming
  2. Dr Raymond Lemieux
  3. Sir Peter Williamson
  4. Sir Samuel Morse

Inventions Practice Tests

Vaccum Tube Textbook App: Free Download iOS & Android

The App: Vaccum Tube MCQs App to study Vaccum Tube Textbook, Inventions MCQ App, and PHP MCQ App. The "Vaccum Tube MCQs" App to free download Android & iOS Apps includes complete analytics with interactive assessments. Download App Store & Play Store learning Apps & enjoy 100% functionality with subscriptions!

Vaccum Tube App (Android & iOS)

Vaccum Tube App (Android & iOS)

Inventions App (Android & iOS)

Inventions App (iOS & Android)

PHP App (Android & iOS)

PHP App (Android & iOS)

C Sharp App (Android & iOS)

C Sharp App (iOS & Android)