Question

Who designed a.c.
Who designed television
Who designed mobile phone
Who is founder of Tik tok

Answer 1

Answer:

Wills Carrier

John Logie Baird

Martin Copper

Zhang Yiming

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Answer 2

Answer:

1.Willis Carrier

2.Philo Farnsworth , John Logie Baird , Charles Francis Jenkins

3.Martin Cooper , W. Rae Young , Donald Cox ,Eric Tigerstedt

4.Zhang Yiming

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