GK
INVENTIONS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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First regenerative circuit was invented and patented in 1914 by
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Johnson Armstrong
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Dr. Fredinand Magellan
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Dr. Horace day
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Edwin Armstrong
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Explanation:
Detailed explanation-1: -The regenerative receiver was invented in 1912 and patented in 1914 by American electrical engineer Edwin Armstrong when he was an undergraduate at Columbia University. It was widely used between 1915 and World War II.
Detailed explanation-2: -Armstrong is most commonly known for inventing frequency modulation, or FM radio, in 1933. FM improved the audio signal of radio by controlling the static caused by electrical equipment and the earth’s atmosphere.
Detailed explanation-3: -Edwin Howard Armstrong (December 18, 1890 – February 1, 1954) was an American electrical engineer and inventor, who developed FM (frequency modulation) radio and the superheterodyne receiver system.
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