Class 8 Online Courses

Inventions App's Tests

Inventions e-Book's MCQs - Complete

Radio App MCQs & e-Book Download - 102

MCQ:

In which one of the following year, Transmitted voice was patented?

  1. 1904
  2. 1933
  3. 1956
  4. 1945

Inventions App & e-Book Tests PDF Download

Radio Textbook App: Free Download iOS & Android

The App: Radio MCQs App to study Radio Textbook, General Knowledge MCQs App, and Basic Electronics MCQs App. The "Radio 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!

Radio App (Android & iOS)

Radio App (Android & iOS)

General Knowledge App (Android & iOS)

General Knowledge App (iOS & Android)

Basic Electronics App (Android & iOS)

Basic Electronics App (Android & iOS)

Basic Control Systems App (Android & iOS)

Basic Control Systems App (iOS & Android)