What device did John Ambrose Fleming invented in 1904 that helped make radio,…
PYQ SSC JE (Junior Engineer) 2023
What device did John Ambrose Fleming invented in 1904 that helped make radio, television, telephone and even early electronic computers possible?
- A.
Voltaic pile
- B.
Oscillation valve
- C.
Electrodynamometer
- D.
Point-contact transistor
Attempted by 23 students.
Sign up free to check your answer
Sign up freeLoading lesson…