Multiple Choice Questions on What was the name of the first vacuum tube invented by Lee de Forest in 1906 ........ for General Studies (Level 1) Preparation

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Multiple Choice Questions

What was the name of the first vacuum tube invented by Lee de Forest in 1906 ........

Computer GK Generations of Computers
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    What was the name of the first vacuum tube invented by Lee de Forest in 1906?

    Colossus

    Incorrect Answer

    Leedion

    Incorrect Answer

    Audion

    Correct Answer

    Radion

    Incorrect Answer
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    Explanation:
    Correct Answer: C [Audion]
    Audion was the first vacuum tube invented in 1906 by Lee de Forest. It was the size of a person’s thumb and glowing red hot like a tiny electric light bulb. This bagged him the nickname as “the father of radio”.

    By: Brijesh Kumar
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