What type of system did Paul Nipkow, John Baird, and Charles Jenkins all invent?
A. Telephone
B. Early Warning
C. Electricity
D. Television
Answer: Option D
Solution(By Examveda Team)
All of the inventors mentioned invented an early mechanical television system.Related Questions on Inventions
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B. 1960s
C. 1970s
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Which scientist discovered the radioactive element radium?
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