Multiple Choice
Edwin Armstrong
A) Develops regenerative circuit to increase amplification
B) First successful demonstration of wireless telegraph
C) Invented the electromagnetic telegraph
D) First man on the moon
Correct Answer:

Verified
Correct Answer:
Verified
Q1: Nikola Tesla<br>A) First successful demonstration of wireless
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