14 Facts About Radio signal

1.

Radio signal waves are generated by charged particles undergoing acceleration, such as time-varying electric currents.

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2.

Radio signal waves are generated artificially by an electronic device called a transmitter, which is connected to an antenna which radiates the waves.

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3.

Radio signal waves are very widely used in modern technology for fixed and mobile radio communication, broadcasting, radar and radio navigation systems, communications satellites, wireless computer networks and many other applications.

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4.

Radio signal waves were first predicted by the theory of electromagnetism proposed in 1867 by Scottish mathematical physicist James Clerk Maxwell.

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5.

Radio signal received the 1909 Nobel Prize in physics for his radio work.

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6.

Radio signal waves are radiated by charged particles when they are accelerated.

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7.

Radio signal waves are produced artificially by time-varying electric currents, consisting of electrons flowing back and forth in a specially-shaped metal conductor called an antenna.

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8.

Radio signal waves are received by another antenna attached to a radio receiver.

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9.

Radio signal waves are more widely used for communication than other electromagnetic waves mainly because of their desirable propagation properties, stemming from their large wavelength.

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10.

Radio signal waves have the ability to pass through the atmosphere in any weather, foliage, and most building materials, and by diffraction can bend around obstructions, and unlike other electromagnetic waves they tend to be scattered rather than absorbed by objects larger than their wavelength.

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11.

Radio signal waves passing through different environments experience reflection, refraction, polarization, diffraction, and absorption.

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12.

The information Radio signal is used to modulate the carrier, altering some aspect of it, "piggybacking" the information on the carrier.

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13.

The recovered Radio signal is sent to a loudspeaker or earphone to produce sound, or a television display screen to produce a visible image, or other devices.

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14.

Radio signal waves are non-ionizing radiation, which means they do not have enough energy to separate electrons from atoms or molecules, ionizing them, or break chemical bonds, causing chemical reactions or DNA damage.

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