Question : Stereo was invented by _______.
Option 1: John Barber
Option 2: Tim Berners-Lee
Option 3: Alan Blumlein
Option 4: David Brewster
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Correct Answer: Alan Blumlein
Solution : The correct option is Alan Blumlein.
Alan Dower Blumlein was an English electronics engineer renowned for his several innovations in radar, television, stereophonic sound, sound recording, and telecommunications. With 128 patents under his belt, he was regarded as one of history's greatest engineers and inventors.
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Question : Who invented email?
Option 1: Tim Berners-Lee
Option 2: James Gosling
Option 3: Vinton Cerf
Option 4: V. A. Shiva Ayyadurai
Question : The Telephone was invented by :
Option 1: Guglielmo Giovanni Maria Marconi
Option 2: Alexander Graham Bell
Option 3: John Logie Baird
Option 4: Thomas Barrow
Question : The gas engine was invented by:
Option 1: Charles Darwin
Option 2: Sir Humphry Davy
Option 3: Gottlieb Wilhelm Daimler
Option 4: Rudolf Diesel
Question : J. B. Say's Law of Market was not accepted by:
Option 1: Adam Smith
Option 2: Marshall
Option 3: Malthus
Option 4: David Ricardo
Question : In 1834, who proposed a law that states that the current induced by a change in flow opposes the effect of creating the change?
Option 1: David Brewster
Option 2: Henry Moseley
Option 3: Christian Johann Doppler
Option 4: Heinrich Friedrich Lenz
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