Multiple Choice
Nikola Tesla
A) First successful demonstration of wireless telegraph
B) Developed first diode tube
C) Predicted existence of radio waves
D) Invented alternating current
Correct Answer:
Verified
Correct Answer:
Verified
Q2: Edwin Armstrong<br>A) Develops regenerative circuit to increase
Q3: Alexander Graham Bell<br>A) Invented the electromagnetic telegraph<br>B)
Q4: Lee De Forest<br>A) Projected first radio waves<br>B)
Q5: John A. Fleming<br>A) Developed first diode tube<br>B)
Q6: Guglielmo Marconi<br>A) Projected first radio waves<br>B) Developed
Q7: Heinrich Hertz<br>A) Developed first diode tube<br>B) Projected
Q8: James Clerk Maxwell<br>A) Predicted existence of radio
Q9: Reginald Fessendon<br>A) Developed first diode tube<br>B) Reports
Q10: Samuel F. B. Morse:<br>A) Developed regenerative circuit