🎴 Flashcard Mode
GK (Science)
Card1 / 25
Mastered0
Review0
QuestionClick to flip
Who invented of the 'Valve of Radio'?
AnswerClick to flip back
A
Sir J. A. Fleming
💡 Explanation:
Sir J.A. Fleming invented the vacuum tube (thermionic valve), which is commonly referred to as the 'valve' in British English terminology. James Watt invented the steam engine, and C. Sholes invented the typewriter. Fleming's invention of the diode valve in 1904 was crucial for radio detection and amplification. This question tests knowledge of early radio technology pioneers.