Who proved that electromagnetic energy travelled through the air?
A) Guglielmo Marconi
B) Samuel F.B.Morse
C) Heinrich Hertz
D) Reginald Fessenden
Correct Answer:
Verified
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Q15: Intellectual property rights include performance rights and
Q16: Who invented the telegraph?
A)Guglielmo Marconi
B)Samuel F.B.Morse
C)Heinrich Hertz
D)Reginald
Q17: Which of the following was a challenge
Q19: Who performed the first practical demonstration of
Q20: The telephone and telegraph are examples of:
A)electronic
Q21: Lee De Forest invented:
A)the audion
B)the diode tube
C)the
Q22: When the Titanic struck an iceberg on
Q23: Congress has the right to regulate broadcasting
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