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Q.

Who Invented the Radio?

Tags: radio
Asked by Chaitanya Chandavarkar, 06 Oct '07 07:36 pm
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Answers (6)

1.

Marconi.
Answered by joyoti sen, 06 Oct '07 07:36 pm

 
  
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2.

Marconi (officially). Similar device was invented by Jagadish Chandra Bose earlier, but did not publicize properly.
Answered by Biswaroop Ghosh, 06 Oct '07 07:55 pm

 
  
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3.

Nikola Tesla.
Answered by Mitali Choudhury, 06 Oct '07 07:48 pm

 
  
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4.

Marconi
Answered by Muhammad Zubair, 06 Oct '07 07:37 pm

 
  
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5.

Radio is the wireless transmission of signals, by modulation of electromagnetic waves with frequencies below those of visible light. Electromagnetic radiation travels by means of oscillating electromagnetic fields that pass through the air and the vacuum of space. It does not require a medium of transport. Information is carried by systematically changing (modulating) some property of the radiated waves, such as their amplitude or their frequency. When radio waves pass an electrical conductor, the oscillating fields induce an alternating current in the conductor. This can be detected and transformed into sound or other signals that carry information.

The word 'radio' is used to describe this phenomenon, and radio transmissions are classed as radio frequency emissions.

Although invention was long attributed to Guglielmo Marconi, the identity of the original inventor of radio, at the time called wireless telegraphy, is contentious[1]. Development from a laboratory demonstration t ...more
Answered by NISH, 06 Oct '07 07:51 pm

 
  
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6.

Marconi
Answered by sudesh, 06 Oct '07 07:39 pm

 
  
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