Computer Science, asked by sijojoseph0087, 3 months ago

In which year was vaccum tube invented ?

Answers

Answered by Anonymous

2

Answer:

1904

Explanation:

1904: British engineer John Ambrose Fleming invents and patents the thermionic valve, the first vacuum tube.

Answered by Aera2542

2

Answer:

1904

Explanation:

1904: British engineer John Ambrose Fleming invents and patents the thermionic valve, the first vacuum tube.

Previous Question

Next Question

Similar questions

Math, 1 month ago

B D 4. In the adjacent figure ABCD is a parallelogram P and Q are the midpoints of sides AB and DC respectively. Show that PBCQ is also a parallelogram.

Science, 1 month ago

air pollution is worse than noise pollution. 3 minutes speech...

Math, 1 month ago

solve 2(x-3)+5=x-4 Maths...

Hindi, 3 months ago

(क) कविता लेखन में 'छद एवं बिम्ब' का क्या महत्व है? स्पष्ट कीजिए।...

Science, 3 months ago

The upper part of _________ form the brain box.

Math, 8 months ago

Pore No Represent the following linear equation geometrically on a cartesian plane 3x-5=2(2x+1)-11...

Science, 8 months ago

what do you mean by animal...

Psychology, 8 months ago

what is pathology, radiology, seismology, virology, zoology, ornithology ,anthropology, astrology, biology, and chemotherapy tell me if you are intelligent one on brainy.